| The Acreage to Orbetello | 5,066.66 mi (8,154.01 km) |
| The Acreage to Oria | 5,424.83 mi (8,730.43 km) |
| The Acreage to Oristano | 5,001.80 mi (8,049.63 km) |
| The Acreage to Orta Nova | 5,309.65 mi (8,545.06 km) |
| The Acreage to Orte | 5,121.74 mi (8,242.64 km) |
| The Acreage to Ortona | 5,219.51 mi (8,399.99 km) |
| The Acreage to Orvieto | 5,102.08 mi (8,211.00 km) |
| The Acreage to Orzinuovi | 4,935.44 mi (7,942.83 km) |
| The Acreage to Osimo | 5,146.39 mi (8,282.32 km) |
| The Acreage to Ospitaletto | 4,938.22 mi (7,947.29 km) |
| The Acreage to Ostuni | 5,415.53 mi (8,715.45 km) |
| The Acreage to Ottaviano | 5,264.40 mi (8,472.23 km) |
| The Acreage to Ovada | 4,893.57 mi (7,875.44 km) |
| The Acreage to Ozieri | 5,005.67 mi (8,055.85 km) |
| The Acreage to Paceco | 5,248.66 mi (8,446.90 km) |
