The usual caveats apply. These data are wholly fictitious and any similarity to any city living or dead is entirely coincidental. I am not responsible for any use that you or anybody else might make of these data. (Or for much else if it comes to that.) For example, if you want to use some this information to cycle round the world guided only by a GPS, you might want to check the lat and long of your destination in an atlas first.
Afghanistan Kabul 34.31N 069.12E Albania Tirana 41.20N 019.49E Tiranë Algeria Algiers 36.50N 003.00E Alger American Samoa Pago Pago 14.16S 170.43W Andorra Andorra la Vella 42.30N 001.30E Angola Luanda 08.50S 013.15E Antigua and Barbuda St John's 17.08N 061.50W Argentina Buenos Aires 34.40N 058.30W Armenia Yerevan 40.10N 044.31E Aruba Oranjestad 12.32N 070.02W Australia Canberra 35.18S 149.08E Austria Vienna 48.13N 016.22E Wien Azerbaijan Baku 40.22N 049.53E Bahamas Nassau 25.05N 077.20W Bahrain Manama 26.12N 050.38E AI Manamah Bangladesh Dhaka 23.42N 090.22E Dacca Barbados Bridgetown 13.06N 059.37W Belgium Brussels 50.50N 004.21E Brussel Bruxelles Belize Belmopan 17.13N 088.48W Benin Porto Novo 06.30N 002.47E Bermuda Hamilton 32.18N 064.48W Bhutan Thimphu 27.32N 089.43E Bolivia La Paz 16.30S 068.10W Bosnia-Herzegovina Sarajevo 43.52N 018.26E Botswana Gaborone 24.45S 025.55E Brazil Brasília 15.45S 047.57W * British Virgin Islands Road Town 18.28N 064.39W Brunei Bandar Seri Begawan 04.56N 114.58E Bulgaria Sofia 42.40N 023.18E Sofija Burkina Faso Ouagadougou 12.22N 001.31W Burundi Bujumbura 03.22S 029.19E Byelarus Minsk 53.51N 027.30E Cambodia Phnom Penh 11.35N 104.55E Cameroon Yaounde 03.52N 011.31E Canada Ottawa 45.25N 075.43W Cape Verde Cidade de Praia 39.03N 027.59W * Central African Republic Bangui 04.23N 018.37E Chad N'djaména 12.10N 014.59E Chile Santiago 50.46S 075.26W China Beijing 39.55N 116.26E Peking Colombia Bogotá 04.38N 074.05W Comoros Moroni 11.40S 043.16E Congo Brazzaville 04.14S 015.14E Cook Islands Avarua 21.12S 159.46W Costa Rica San José 09.59N 084.04W Côte D'ivoire Yamoussoukro 06.49N 005.17W Croatia Zagreb 45.48N 015.58E Cuba Havana 23.07N 082.25W Habana Cyprus Nicosia 35.09N 033.21E Czech Republic Prague 50.06N 014.26E Praha Denmark Copenhagen 55.43N 012.34E København Djibouti Djibouti 11.30N 004.06E Dominica Roseau 15.18N 061.23W Dominican Republic Santo Domingo 18.30N 069.57W Ecuador Quito 00.14S 078.30W Egtpt Cairo 30.03N 031.15E Al-Qâhira El Salvador San Salvador 13.40N 089.10W Equatorial Guinea Malabo 03.45N 008.48E Eritrea Asmera 15.20N 038.58E Estonia Tallinn 59.22N 024.48E Ethiopia Addis Ababa 09.03N 038.42E Addis Abeba Fiji Suva 18.08S 178.25E Finland Helsinki 60.08N 025.00E France Paris 48.50N 002.20E French Guiana Cayenne 04.55N 052.18W French Polynesia Papeete 17.32S 149.34W Gabon Libreville 00.30N 009.25E Gambia Banjul 13.28N 016.39W Georgia Tbilisi 41.43N 044.48E formerly Tiflis Germany Berlin 52.32N 013.25E Ghana Accra 05.33N 000.15W Greece Athens 38.00N 023.44E Athínai Greenland Godthåb 64.15N 051.35W Nuuk Grenada St George's 12.04N 061.44W Guadeloupe Basse-Terre 16.00N 061.43W Guam Agaña 13.28N 144.45E Guatemala Guatemala City 14.38N 090.22W Guinea Conakry 09.31N 013.43W Guinea-Bissau Bissau 11.52N 015.39W Guyana Georgetown 06.46N 058.10W Haiti Port-au-Prince 18.32N 072.20W Honduras Tegucigalpa 14.05N 087.14W Hong Kong Victoria 22.16N 114.13E Hungary Budapest 47.30N 019.03E Iceland Reykjavík 06.09N 021.51W India New Delhi 28.37N 077.13E Indonesia Jakarta 06.08S 106.45E Iran Tehran 35.40N 051.26E Iraq Baghdad 33.20N 044.26E Ireland Dublin 53.20N 006.15W Israel Jerusalem 31.47N 035.13E Italy Rome 41.48N 012.36E Roma Jamaica Kingston 17.58N 076.48W Japan Tokyo 35.40N 139.45E Jordan Amman 31.57N 035.56E Kazakhstan Alma-Ata 43.19N 076.55E Kenya Nairobi 01.17S 036.49E Kiribati Tarawa 01.30N 173.00E Korea North Pyongyang 39.00N 125.47E Korea South Seoul 37.30N 012.00E Sôul Kuwait Kuwait 29.20N 048.00E Al Kuwayt Kyrgyzstan Bishkek 40.07N 071.44E formerly Frunze * Laos Vientiane 17.59N 102.38E Latvia Riga 56.40N 106.10E Lebanon Beirut 33.52N 035.30E Bayrût Beyrouth Lesotho Maseru 29.19S 027.29E Liberia Monrovia 06.18N 010.47W Libya Tripoli 32.54N 013.11E Liechtenstein Vaduz 47.08N 009.32E Lithuania Vilnius 54.40N 025.19E Luxembourg Luxembourg 49.37N 006.08E Macau Macau City . . Macedonia Skopje 42.00N 021.28E Madagascar Antananarivo 18.52S 047.30E Malawi Lilongwe 13.58S 033.49E Malaysia Kuala Lumpur 03.08N 101.42E Maldives Malé 04.00N 073.28E Mall Bamako 12.40N 007.59W Malta Valletta 35.54N 014.32E Marshall Islands Majuro 07.05N 171.08E Martinique Fort-de-France 14.36N 061.05W Mauritania Nouakchott 01.09N 015.58W Mauritius Port Louis 20.10S 057.30E Mayotte Dzaoudzi 12.48S 045.18E Mexico Mexico City 19.25N 099.10W Ciudad de Mexico Micronesia (Federated States of) Kolonia . . Moldova Kishinev 47.00N 028.50E Monaco Monaco 43.44N 007.25E Mongolia Ulan Bator 47.54N 106.52E Ulaanbaatar Montserrat Plymouth 16.44N 062.14W Morocco Rabat 34.02N 016.51W Mozambique Maputo 25.58N 032.35E Myanmar Yangon 16.47N 096.10E formerly Rangoon Namibia Windhoek 22.34S 017.06E Nauru No offical capital . . Nepal Katmandu 27.42N 085.19E Kathmandu Netherlands Amsterdam 52.21N 004.54E Netherlands Antilles Willemstad 12.12N 068.56W New Caledonia Nouméa 22.16S 166.26E New Zealand Wellington 41.17S 174.47E Nicaragua Managua 12.06N 086.18W Niger Niamey 13.32N 002.05E Nigeria Lagos 06.27N 003.28E Niue Alofi 14.27S 178.05W Norway Oslo 59.55N 010.45E Oman Muscat 23.37N 058.38E Masqat Pakistan Islamabad 33.40N 073.08E Palau Koror 07.21N 134.31E Panama Panama City 08.58N 079.32W Papua New Guinea Port Moresby 09.30S 014.07E Paraguay Asunción 25.15S 057.40W Peru Lima 12.06S 077.03W Philippines Manila 14.37N 120.58E Poland Warsaw 52.15N 021.00E Warszawa Portugal Lisbon 38.44N 009.08W Lisboa Puerto Rico San Juan 18.28N 006.07W Qatar Doha 25.15N 051.36E Ad Dawhah Réunion Saint-Denis 20.52S 055.27E Romania Bucharest 44.25N 026.07E Bucuresti Russian Federation Moscow 55.45N 037.42E Rwanda Kigali 01.56S 030.04E San Marino San Marino 43.56N 012.26E São Tomé and Principe São Tomé 00.19N 006.43E Saudi Arabia Riyadh 24.39N 046.46E Senegal Dakar 14.38N 017.27W Seychelles Victoria 04.38S 055.28E Sierra Leone Freetown 08.30N 013.17W Singapore Singapore 01.18N 103.50E Slovakia Bratislava 48.10N 017.10E Slovenia Ljubljana 46.04N 014.30E Solomon Islands Honiara 09.28S 159.57E Somalia Mogadishu 02.02N 045.21E Mogadiscio South Africa Pretoria 25.45S 028.12E Spain Madrid 40.25N 003.43W Sri Lanka Colombo 06.55N 079.52E St Christopher and Nevis Basseterre 16.00N 061.43W St Lucia Castries 14.01N 060.59W St Vincent and the Grenadines Kingstown 13.12N 061.14W Sudan Khartoum 15.33N 032.32E Surinam Paramaribo 05.52N 055.14W Swaziland Mbabane 26.20S 031.08E Sweden Stockholm 59.20N 001.03E Switzerland Bern 46.57N 007.26E Syria Damascus 33.30N 036.19E Dimashq Taiwan Taipei 25.50N 121.32E Tajikistan Dushanbe 38.38N 068.51E Tanzania Dodoma 06.10S 035.40E Thailand Bangkok 13.44N 100.30E Krung Thep Togo Lomé 06.10N 001.21E Tonga Nuku'alofa 21.09S 175.14W Trinidad and Tobago Port-of-Spain 10.38N 061.31W Tunisia Tunis 36.48N 010.11E Turkey Ankara 39.55N 032.50E Turkmenistan Ashkhabad 37.58N 058.24E Turks and Caicos Islands Cockburn Harbour 21.30N 071.30W Tuvalu Fongafale 08.30S 179.12E Funafuti Uganda Kampala 00.19N 032.35E Ukraine Kiev 50.25N 030.30E Kiyev United Arab Emirates Abu Dhabi 24.28N 054.25E Abu Zabi United Kingdom London 51.30N 000.10W United States of America Washington 38.55N 077.00W Uruguay Montevideo 34.53S 056.11W US Virgin Islands Charlotte Amalie 18.22N 064.56W Uzbekistan Tashkent 41.16N 069.13E Vanuatu Port Vila 17.45S 168.18E Vatican City Vatican City 41.54N 012.27E Venezuela Caracas 10.35N 066.56W Vietnam Hanoi 21.01N 105.52E Western Sahara Laàyoune 27.10N 013.11W EI Aaiún Western Samoa Apia 13.48S 171.45W Yemen San'a 15.24N 044.14E Yugoslavia Belgrade 44.50N 020.30E Beograd Zaire Kinshasa 04.18S 015.18E Zambia Lusaka 15.26S 028.20E Zimbabwe Harare 17.50S 031.03E