| Elfers to Octeville | 4,376.44 mi (7,043.20 km) |
| Elfers to Oignies | 4,561.06 mi (7,340.32 km) |
| Elfers to Oissel | 4,500.28 mi (7,242.50 km) |
| Elfers to Olivet | 4,563.46 mi (7,344.18 km) |
| Elfers to Ollioules | 4,847.93 mi (7,801.99 km) |
| Elfers to Olonne-sur-Mer | 4,421.48 mi (7,115.68 km) |
| Elfers to Oloron-Sainte-Marie | 4,538.57 mi (7,304.13 km) |
| Elfers to Onet Village | 4,666.68 mi (7,510.30 km) |
| Elfers to Onnaing | 4,588.19 mi (7,383.97 km) |
| Elfers to Orange | 4,775.55 mi (7,685.50 km) |
| Elfers to Orchies | 4,571.55 mi (7,357.21 km) |
| Elfers to Orleans | 4,563.09 mi (7,343.58 km) |
| Elfers to Orly | 4,568.18 mi (7,351.77 km) |
| Elfers to Ormesson-sur-Marne | 4,573.73 mi (7,360.70 km) |
| Elfers to Orsay | 4,560.07 mi (7,338.72 km) |
