| Roma to Octeville | 5,158.31 mi (8,301.50 km) |
| Roma to Oignies | 5,321.50 mi (8,564.13 km) |
| Roma to Oissel | 5,278.50 mi (8,494.92 km) |
| Roma to Olivet | 5,355.59 mi (8,618.99 km) |
| Roma to Ollioules | 5,675.58 mi (9,133.96 km) |
| Roma to Olonne-sur-Mer | 5,237.14 mi (8,428.37 km) |
| Roma to Oloron-Sainte-Marie | 5,384.28 mi (8,665.17 km) |
| Roma to Onet Village | 5,492.46 mi (8,839.26 km) |
| Roma to Onnaing | 5,347.86 mi (8,606.55 km) |
| Roma to Orange | 5,596.94 mi (9,007.41 km) |
| Roma to Orchies | 5,331.24 mi (8,579.80 km) |
| Roma to Orleans | 5,354.78 mi (8,617.69 km) |
| Roma to Orly | 5,349.46 mi (8,609.13 km) |
| Roma to Ormesson-sur-Marne | 5,354.15 mi (8,616.68 km) |
| Roma to Orsay | 5,342.42 mi (8,597.79 km) |
