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| Jabalpur (IN) | Jerez De La Frontera *ML (ES) | Johnson City NY (US) |
| Jackson MS (US) | Jersey (GB) | Johnstown PA (US) |
| Jackson WY (US) | Jessore (BD) | Johor Bahru (MY) |
| Jacksonville FL (US) | Jiamusi (CN) | Joinville (BR) |
| Jacksonville NC (US) | Ji An (CN) | Jolo (PH) |
| Jaipur (IN) | Jiayuguan (CN) | Jonkoping (SE) |
| Jaisalmer (IN) | Jijel (DZ) | Joplin MO (US) |
| Jakarta (ID) | Jijiga (ET) | Jorhat (IN) |
| Jalapa (MX) | Jimma (ET) | Jos (NG) |
| Jambi (ID) | Jinan (CN) | Jouf (SA) |
| Jamestown ND (US) | Jingdezhen (CN) | Juazeiro do Norte (BR) |
| Jamestown NY (US) | Jinghong (CN) | Juba (SD) |
| Jammu (IN) | Jinjiang (CN) | Juiz de Fora (BR) |
| Jamnagar (IN) | Jinzhou (CN) | Jujuy (AR) |
| Jamshedpur (IN) | Ji Parana (BR) | Juliaca (PE) |
| Jaque (PA) | Jiujiang (CN) | Julia Creek QL (AU) |
| Jayapura (ID) | Joao Pessoa (BR) | Juneau AK (US) |
| Jeddah (SA) | Jodhpur (IN) | Juzhou (CN) |
| Jefferson County PA (US) | Joensuu (FI) | Jyvaskyla (FI) |
| Jeh (MH) | Johannesburg (ZA) |