| Martos to Octeville | 830.96 mi (1,337.30 km) |
| Martos to Oignies | 945.36 mi (1,521.41 km) |
| Martos to Oissel | 841.74 mi (1,354.65 km) |
| Martos to Olivet | 761.04 mi (1,224.78 km) |
| Martos to Ollioules | 637.09 mi (1,025.30 km) |
| Martos to Olonne-sur-Mer | 619.58 mi (997.11 km) |
| Martos to Oloron-Sainte-Marie | 417.56 mi (672.00 km) |
| Martos to Onet Village | 572.22 mi (920.90 km) |
| Martos to Onnaing | 951.47 mi (1,531.24 km) |
| Martos to Orange | 637.08 mi (1,025.28 km) |
| Martos to Orchies | 950.24 mi (1,529.26 km) |
| Martos to Orleans | 763.62 mi (1,228.93 km) |
| Martos to Orly | 825.70 mi (1,328.84 km) |
| Martos to Ormesson-sur-Marne | 831.15 mi (1,337.61 km) |
| Martos to Orsay | 818.92 mi (1,317.92 km) |
