| Massa to Octeville | 676.46 mi (1,088.66 km) |
| Massa to Oignies | 556.10 mi (894.96 km) |
| Massa to Oissel | 563.40 mi (906.70 km) |
| Massa to Olivet | 475.49 mi (765.23 km) |
| Massa to Ollioules | 223.20 mi (359.21 km) |
| Massa to Olonne-sur-Mer | 603.39 mi (971.06 km) |
| Massa to Oloron-Sainte-Marie | 539.99 mi (869.02 km) |
| Massa to Onet Village | 374.05 mi (601.97 km) |
| Massa to Onnaing | 535.13 mi (861.21 km) |
| Massa to Orange | 264.26 mi (425.29 km) |
| Massa to Orchies | 549.45 mi (884.25 km) |
| Massa to Orleans | 476.53 mi (766.89 km) |
| Massa to Orly | 491.51 mi (791.00 km) |
| Massa to Ormesson-sur-Marne | 488.18 mi (785.64 km) |
| Massa to Orsay | 496.93 mi (799.73 km) |
