| Briancon to Oignies | 420.56 mi (676.83 km) |
| Briancon to Oissel | 402.64 mi (647.99 km) |
| Briancon to Olivet | 304.82 mi (490.57 km) |
| Briancon to Ollioules | 127.51 mi (205.22 km) |
| Briancon to Olonne-sur-Mer | 420.91 mi (677.39 km) |
| Briancon to Oloron-Sainte-Marie | 378.22 mi (608.69 km) |
| Briancon to Onet Village | 202.04 mi (325.16 km) |
| Briancon to Onnaing | 404.85 mi (651.54 km) |
| Briancon to Orange | 104.04 mi (167.44 km) |
| Briancon to Orchies | 416.37 mi (670.08 km) |
| Briancon to Orleans | 306.27 mi (492.89 km) |
| Briancon to Orly | 332.93 mi (535.80 km) |
| Briancon to Ormesson-sur-Marne | 331.14 mi (532.92 km) |
| Briancon to Orsay | 336.44 mi (541.44 km) |
| Briancon to Orthez | 379.41 mi (610.60 km) |
