| Ridgefield to Octeville | 3,435.19 mi (5,528.41 km) |
| Ridgefield to Oignies | 3,608.42 mi (5,807.19 km) |
| Ridgefield to Oissel | 3,557.28 mi (5,724.89 km) |
| Ridgefield to Olivet | 3,629.27 mi (5,840.75 km) |
| Ridgefield to Ollioules | 3,940.10 mi (6,340.97 km) |
| Ridgefield to Olonne-sur-Mer | 3,503.41 mi (5,638.19 km) |
| Ridgefield to Oloron-Sainte-Marie | 3,645.89 mi (5,867.49 km) |
| Ridgefield to Onet Village | 3,757.02 mi (6,046.34 km) |
| Ridgefield to Onnaing | 3,635.25 mi (5,850.37 km) |
| Ridgefield to Orange | 3,862.65 mi (6,216.33 km) |
| Ridgefield to Orchies | 3,618.56 mi (5,823.50 km) |
| Ridgefield to Orleans | 3,628.62 mi (5,839.69 km) |
| Ridgefield to Orly | 3,627.24 mi (5,837.48 km) |
| Ridgefield to Ormesson-sur-Marne | 3,632.30 mi (5,845.62 km) |
| Ridgefield to Orsay | 3,619.75 mi (5,825.43 km) |
