| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ichinasaka | city | Miyagi-ken | Japan | 38.3197222 | 140.8863889 | 203 | 37639 |
| Ido | city | Miyagi-ken | Japan | 38.2005556 | 140.9552778 | 3 | 29642 |
| Idohama | city | Miyagi-ken | Japan | 38.2005556 | 140.9552778 | 3 | 29642 |
| Iinogawa | city | Miyagi-ken | Japan | 38.5166667 | 141.3166667 | 255 | 37527 |
| Iinosaka | city | Miyagi-ken | Japan | 38.15 | 140.8833333 | 72 | 35283 |
| Iinozaka | city | Miyagi-ken | Japan | 38.15 | 140.8833333 | 72 | 35283 |
| Imachi | city | Miyagi-ken | Japan | 38.3 | 140.95 | 91 | 37639 |
| Imaichi | city | Miyagi-ken | Japan | 38.3 | 140.95 | 91 | 37639 |
| Imashuku | city | Miyagi-ken | Japan | 38.1905556 | 140.5911111 | 984 | 37700 |
| Inae | city | Miyagi-ken | Japan | 38.4333333 | 141.3333333 | 328 | 29088 |
| Inai | city | Miyagi-ken | Japan | 38.4333333 | 141.3333333 | 328 | 29088 |
| Inayashiki | city | Miyagi-ken | Japan | 38.8 | 140.9833333 | 196 | 37360 |
| Inozaka | city | Miyagi-ken | Japan | 38.15 | 140.8833333 | 72 | 35283 |
| Iroma | city | Miyagi-ken | Japan | 38.2005556 | 140.9552778 | 3 | 29642 |
| Isagozawa | city | Miyagi-ken | Japan | 38.4244444 | 140.92 | 157 | 37569 |
| Isatomae | city | Miyagi-ken | Japan | 38.7166667 | 141.5166667 | 6 | 22869 |
| Ishibuchi | city | Miyagi-ken | Japan | 38.8341667 | 140.6355556 | 1122 | 32302 |
| Ishihama | city | Miyagi-ken | Japan | 38.3333333 | 141.1 | 0 | 8879 |
| Ishinomachi | city | Miyagi-ken | Japan | 38.4166667 | 141.3 | 3 | 29088 |
| Ishinomaki | city | Miyagi-ken | Japan | 38.4166667 | 141.3 | 3 | 29088 |
| Ishinomori | city | Miyagi-ken | Japan | 38.7166667 | 141.2166667 | 131 | 32489 |
| Isihama | city | Miyagi-ken | Japan | 38.3333333 | 141.1 | 0 | 8879 |
| Isinomaki | city | Miyagi-ken | Japan | 38.4166667 | 141.3 | 3 | 29088 |
| Iwadeyama | city | Miyagi-ken | Japan | 38.6530556 | 140.8677778 | 200 | 37462 |
| Iwagasaki | city | Miyagi-ken | Japan | 38.8255556 | 140.9886111 | 219 | 37360 |
| Iwaki | city | Miyagi-ken | Japan | 38.3011111 | 140.9375 | 111 | 37639 |
| Iwakiri | city | Miyagi-ken | Japan | 38.3011111 | 140.9375 | 111 | 37639 |
| Iwanuma | city | Miyagi-ken | Japan | 38.1047222 | 140.8594444 | 118 | 37735 |
| Izuchi | city | Miyagi-ken | Japan | 38.2005556 | 140.9552778 | 3 | 29642 |
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