| Tessenderlo to Oignies | 100.55 mi (161.82 km) |
| Tessenderlo to Oissel | 213.29 mi (343.26 km) |
| Tessenderlo to Olivet | 263.70 mi (424.38 km) |
| Tessenderlo to Ollioules | 549.08 mi (883.66 km) |
| Tessenderlo to Olonne-sur-Mer | 441.97 mi (711.28 km) |
| Tessenderlo to Oloron-Sainte-Marie | 606.01 mi (975.28 km) |
| Tessenderlo to Onet Village | 477.44 mi (768.37 km) |
| Tessenderlo to Onnaing | 80.47 mi (129.50 km) |
| Tessenderlo to Orange | 479.09 mi (771.02 km) |
| Tessenderlo to Orchies | 90.51 mi (145.66 km) |
| Tessenderlo to Orleans | 261.23 mi (420.41 km) |
| Tessenderlo to Orly | 200.53 mi (322.73 km) |
| Tessenderlo to Ormesson-sur-Marne | 194.34 mi (312.77 km) |
| Tessenderlo to Orsay | 208.64 mi (335.77 km) |
| Tessenderlo to Orthez | 591.05 mi (951.20 km) |
