| City | Country |
|---|---|
| Istanbul | Turkey |
| Incheon | South Korea |
| Ibadan | Nigeria |
| Indore | India |
| Ikare | Nigeria |
| Islamabad | Pakistan |
| Ikeja | Nigeria |
| Ipoh | Malaysia |
| Ilorin | Nigeria |
| Iguacu | Brazil |
| Izhevsk | Russia |
| Irkutsk | Russia |
| Itabashi | Japan |
| Irapuato | Mexico |
| Irbid | Jordan |
| Ibague | Colombia |
| Ichikawa | Japan |
| Imus | Philippines |
| Ile-Ife | Nigeria |
| Ixtapaluca | Mexico |
| Iloilo | Philippines |
| Ivanovo | Russia |
| Ichinomiya | Japan |
| Iquitos | Peru |
| Iligan | Philippines |
| Ibb | Yemen |
| Itaquaquecetuba | Brazil |
| Iwaki | Japan |
| Izmir | Turkey |
| Iksan | South Korea |
| Iskenderun | Turkey |
| Ismailia | Egypt |
| Iasi | Romania |
| Itagui | Colombia |
| Ipswich | United Kingdom |
| Ichalkaranji | India |
| Ibaraki | Japan |
| Ica | Peru |
| Ichihara | Japan |
| Imphal | India |
| Iwo | Nigeria |
| Imperatriz | Brazil |
| Ipatinga | Brazil |
| Ivano-Frankivsk | Ukraine |
| Ibb | Yemen |
| Indaiatuba | Brazil |
| Itapevi | Brazil |
| Itabuna | Brazil |
| Itaborai | Brazil |
| Isesaki | Japan |