| Martinsicuro to Octeville | 874.75 mi (1,407.77 km) |
| Martinsicuro to Oignies | 735.33 mi (1,183.40 km) |
| Martinsicuro to Oissel | 757.63 mi (1,219.28 km) |
| Martinsicuro to Olivet | 676.07 mi (1,088.02 km) |
| Martinsicuro to Ollioules | 407.93 mi (656.50 km) |
| Martinsicuro to Olonne-sur-Mer | 809.07 mi (1,302.07 km) |
| Martinsicuro to Oloron-Sainte-Marie | 732.82 mi (1,179.36 km) |
| Martinsicuro to Onet Village | 575.02 mi (925.41 km) |
| Martinsicuro to Onnaing | 711.80 mi (1,145.53 km) |
| Martinsicuro to Orange | 464.26 mi (747.15 km) |
| Martinsicuro to Orchies | 727.35 mi (1,170.56 km) |
| Martinsicuro to Orleans | 676.90 mi (1,089.36 km) |
| Martinsicuro to Orly | 685.78 mi (1,103.66 km) |
| Martinsicuro to Ormesson-sur-Marne | 681.71 mi (1,097.11 km) |
| Martinsicuro to Orsay | 692.11 mi (1,113.84 km) |
