| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Otricoli | city | Italy | 42.42 | 12.48 | 334 | 7163 | |
| Ottati | city | Italy | 40.47 | 15.32 | 1932 | 2531 | |
| Ottavia | city | Italy | 41.97 | 12.40 | 419 | 175696 | |
| Ottaviano | city | Italy | 40.85 | 14.47 | 656 | 112597 | |
| Ottiglio | city | Italy | 45.05 | 8.33 | 613 | 6395 | |
| Ottobiano | city | Italy | 45.15 | 8.83 | 262 | 5367 | |
| Ottone | city | Italy | 44.62 | 9.33 | 2257 | 809 |