| Mafra to Octeville | 829.47 mi (1,334.91 km) |
| Mafra to Oignies | 997.60 mi (1,605.48 km) |
| Mafra to Oissel | 883.38 mi (1,421.66 km) |
| Mafra to Olivet | 833.77 mi (1,341.82 km) |
| Mafra to Ollioules | 841.05 mi (1,353.53 km) |
| Mafra to Olonne-sur-Mer | 649.35 mi (1,045.03 km) |
| Mafra to Oloron-Sainte-Marie | 540.79 mi (870.31 km) |
| Mafra to Onet Village | 719.68 mi (1,158.22 km) |
| Mafra to Onnaing | 1,011.49 mi (1,627.83 km) |
| Mafra to Orange | 813.26 mi (1,308.81 km) |
| Mafra to Orchies | 1,005.27 mi (1,617.82 km) |
| Mafra to Orleans | 835.89 mi (1,345.24 km) |
| Mafra to Orly | 892.42 mi (1,436.21 km) |
| Mafra to Ormesson-sur-Marne | 899.16 mi (1,447.06 km) |
| Mafra to Orsay | 883.58 mi (1,421.99 km) |
