| Smederevo to Octeville | 1,109.85 mi (1,786.13 km) |
| Smederevo to Oignies | 924.22 mi (1,487.39 km) |
| Smederevo to Oissel | 985.58 mi (1,586.14 km) |
| Smederevo to Olivet | 932.82 mi (1,501.23 km) |
| Smederevo to Ollioules | 757.07 mi (1,218.39 km) |
| Smederevo to Olonne-sur-Mer | 1,101.19 mi (1,772.19 km) |
| Smederevo to Oloron-Sainte-Marie | 1,073.28 mi (1,727.28 km) |
| Smederevo to Onet Village | 901.68 mi (1,451.12 km) |
| Smederevo to Onnaing | 897.24 mi (1,443.97 km) |
| Smederevo to Orange | 795.25 mi (1,279.82 km) |
| Smederevo to Orchies | 913.93 mi (1,470.83 km) |
| Smederevo to Orleans | 932.75 mi (1,501.11 km) |
| Smederevo to Orly | 919.71 mi (1,480.13 km) |
| Smederevo to Ormesson-sur-Marne | 913.76 mi (1,470.56 km) |
| Smederevo to Orsay | 928.32 mi (1,493.99 km) |
