| Central Falls to Octeville | 3,281.96 mi (5,281.81 km) |
| Central Falls to Oignies | 3,456.09 mi (5,562.04 km) |
| Central Falls to Oissel | 3,404.20 mi (5,478.53 km) |
| Central Falls to Olivet | 3,475.72 mi (5,593.62 km) |
| Central Falls to Ollioules | 3,785.83 mi (6,092.70 km) |
| Central Falls to Olonne-sur-Mer | 3,349.27 mi (5,390.13 km) |
| Central Falls to Oloron-Sainte-Marie | 3,491.53 mi (5,619.08 km) |
| Central Falls to Onet Village | 3,602.76 mi (5,798.08 km) |
| Central Falls to Onnaing | 3,482.95 mi (5,605.27 km) |
| Central Falls to Orange | 3,708.45 mi (5,968.18 km) |
| Central Falls to Orchies | 3,466.26 mi (5,578.41 km) |
| Central Falls to Orleans | 3,475.07 mi (5,592.59 km) |
| Central Falls to Orly | 3,474.05 mi (5,590.95 km) |
| Central Falls to Ormesson-sur-Marne | 3,479.14 mi (5,599.13 km) |
| Central Falls to Orsay | 3,466.52 mi (5,578.83 km) |
