| Surdulica to Octeville | 1,229.35 mi (1,978.44 km) |
| Surdulica to Oignies | 1,052.60 mi (1,693.99 km) |
| Surdulica to Oissel | 1,105.74 mi (1,779.51 km) |
| Surdulica to Olivet | 1,044.31 mi (1,680.65 km) |
| Surdulica to Ollioules | 825.07 mi (1,327.82 km) |
| Surdulica to Olonne-sur-Mer | 1,201.98 mi (1,934.40 km) |
| Surdulica to Oloron-Sainte-Marie | 1,148.80 mi (1,848.81 km) |
| Surdulica to Onet Village | 984.89 mi (1,585.03 km) |
| Surdulica to Onnaing | 1,025.97 mi (1,651.14 km) |
| Surdulica to Orange | 875.17 mi (1,408.44 km) |
| Surdulica to Orchies | 1,042.64 mi (1,677.97 km) |
| Surdulica to Orleans | 1,044.51 mi (1,680.97 km) |
| Surdulica to Orly | 1,037.51 mi (1,669.72 km) |
| Surdulica to Ormesson-sur-Marne | 1,031.98 mi (1,660.82 km) |
| Surdulica to Orsay | 1,045.63 mi (1,682.78 km) |