| Betton to Oignies | 261.79 mi (421.30 km) |
| Betton to Oissel | 148.10 mi (238.34 km) |
| Betton to Olivet | 165.25 mi (265.95 km) |
| Betton to Ollioules | 501.81 mi (807.59 km) |
| Betton to Olonne-sur-Mer | 113.92 mi (183.33 km) |
| Betton to Oloron-Sainte-Marie | 348.27 mi (560.48 km) |
| Betton to Onet Village | 332.31 mi (534.80 km) |
| Betton to Onnaing | 281.03 mi (452.27 km) |
| Betton to Orange | 416.23 mi (669.86 km) |
| Betton to Orchies | 271.07 mi (436.25 km) |
| Betton to Orleans | 165.24 mi (265.94 km) |
| Betton to Orly | 188.94 mi (304.08 km) |
| Betton to Ormesson-sur-Marne | 195.99 mi (315.41 km) |
| Betton to Orsay | 179.17 mi (288.35 km) |
| Betton to Orthez | 327.06 mi (526.35 km) |
