| Opovo to Octeville | 1,076.25 mi (1,732.06 km) |
| Opovo to Oignies | 889.36 mi (1,431.28 km) |
| Opovo to Oissel | 951.95 mi (1,532.02 km) |
| Opovo to Olivet | 900.76 mi (1,449.63 km) |
| Opovo to Ollioules | 734.55 mi (1,182.15 km) |
| Opovo to Olonne-sur-Mer | 1,070.96 mi (1,723.55 km) |
| Opovo to Oloron-Sainte-Marie | 1,048.26 mi (1,687.00 km) |
| Opovo to Onet Village | 875.36 mi (1,408.76 km) |
| Opovo to Onnaing | 862.34 mi (1,387.80 km) |
| Opovo to Orange | 769.92 mi (1,239.07 km) |
| Opovo to Orchies | 879.02 mi (1,414.64 km) |
| Opovo to Orleans | 900.64 mi (1,449.43 km) |
| Opovo to Orly | 886.54 mi (1,426.74 km) |
| Opovo to Ormesson-sur-Marne | 880.52 mi (1,417.06 km) |
| Opovo to Orsay | 895.23 mi (1,440.73 km) |
