| Fountain to Octeville | 4,751.44 mi (7,646.71 km) |
| Fountain to Oignies | 4,881.75 mi (7,856.42 km) |
| Fountain to Oissel | 4,862.09 mi (7,824.78 km) |
| Fountain to Olivet | 4,953.65 mi (7,972.13 km) |
| Fountain to Ollioules | 5,309.11 mi (8,544.18 km) |
| Fountain to Olonne-sur-Mer | 4,871.41 mi (7,839.77 km) |
| Fountain to Oloron-Sainte-Marie | 5,055.88 mi (8,136.65 km) |
| Fountain to Onet Village | 5,130.50 mi (8,256.74 km) |
| Fountain to Onnaing | 4,906.14 mi (7,895.67 km) |
| Fountain to Orange | 5,224.70 mi (8,408.34 km) |
| Fountain to Orchies | 4,890.19 mi (7,870.01 km) |
| Fountain to Orleans | 4,952.32 mi (7,969.98 km) |
| Fountain to Orly | 4,934.00 mi (7,940.51 km) |
| Fountain to Ormesson-sur-Marne | 4,937.43 mi (7,946.02 km) |
| Fountain to Orsay | 4,928.58 mi (7,931.78 km) |
