| Campulung Moldovenesc to Octeville | 1,244.60 mi (2,002.99 km) |
| Campulung Moldovenesc to Oignies | 1,038.23 mi (1,670.87 km) |
| Campulung Moldovenesc to Oissel | 1,123.22 mi (1,807.64 km) |
| Campulung Moldovenesc to Olivet | 1,095.77 mi (1,763.47 km) |
| Campulung Moldovenesc to Ollioules | 1,000.79 mi (1,610.62 km) |
| Campulung Moldovenesc to Olonne-sur-Mer | 1,281.93 mi (2,063.07 km) |
| Campulung Moldovenesc to Oloron-Sainte-Marie | 1,298.06 mi (2,089.02 km) |
| Campulung Moldovenesc to Onet Village | 1,120.05 mi (1,802.55 km) |
| Campulung Moldovenesc to Onnaing | 1,011.39 mi (1,627.68 km) |
| Campulung Moldovenesc to Orange | 1,022.30 mi (1,645.23 km) |
| Campulung Moldovenesc to Orchies | 1,027.24 mi (1,653.19 km) |
| Campulung Moldovenesc to Orleans | 1,095.03 mi (1,762.28 km) |
| Campulung Moldovenesc to Orly | 1,066.97 mi (1,717.12 km) |
| Campulung Moldovenesc to Ormesson-sur-Marne | 1,060.15 mi (1,706.15 km) |
| Campulung Moldovenesc to Orsay | 1,076.54 mi (1,732.53 km) |
