| Sannicolau Mare to Octeville | 1,056.73 mi (1,700.64 km) |
| Sannicolau Mare to Oignies | 863.07 mi (1,388.98 km) |
| Sannicolau Mare to Oissel | 932.63 mi (1,500.93 km) |
| Sannicolau Mare to Olivet | 888.81 mi (1,430.41 km) |
| Sannicolau Mare to Ollioules | 752.71 mi (1,211.37 km) |
| Sannicolau Mare to Olonne-sur-Mer | 1,065.49 mi (1,714.73 km) |
| Sannicolau Mare to Oloron-Sainte-Marie | 1,058.72 mi (1,703.85 km) |
| Sannicolau Mare to Onet Village | 882.91 mi (1,420.90 km) |
| Sannicolau Mare to Onnaing | 835.90 mi (1,345.25 km) |
| Sannicolau Mare to Orange | 780.75 mi (1,256.49 km) |
| Sannicolau Mare to Orchies | 852.47 mi (1,371.92 km) |
| Sannicolau Mare to Orleans | 888.48 mi (1,429.87 km) |
| Sannicolau Mare to Orly | 869.67 mi (1,399.60 km) |
| Sannicolau Mare to Ormesson-sur-Marne | 863.36 mi (1,389.44 km) |
| Sannicolau Mare to Orsay | 878.70 mi (1,414.13 km) |
