| Provadia to Oignies | 1,252.82 mi (2,016.23 km) |
| Provadia to Oissel | 1,320.31 mi (2,124.83 km) |
| Provadia to Olivet | 1,271.14 mi (2,045.70 km) |
| Provadia to Ollioules | 1,084.90 mi (1,745.98 km) |
| Provadia to Olonne-sur-Mer | 1,440.53 mi (2,318.32 km) |
| Provadia to Oloron-Sainte-Marie | 1,405.87 mi (2,262.53 km) |
| Provadia to Onet Village | 1,237.19 mi (1,991.06 km) |
| Provadia to Onnaing | 1,225.66 mi (1,972.50 km) |
| Provadia to Orange | 1,129.19 mi (1,817.26 km) |
| Provadia to Orchies | 1,242.24 mi (1,999.20 km) |
| Provadia to Orleans | 1,271.00 mi (2,045.48 km) |
| Provadia to Orly | 1,255.87 mi (2,021.13 km) |
| Provadia to Ormesson-sur-Marne | 1,249.75 mi (2,011.27 km) |
| Provadia to Orsay | 1,264.68 mi (2,035.31 km) |
| Provadia to Orthez | 1,410.72 mi (2,270.34 km) |
