| Theux to Oignies | 124.00 mi (199.55 km) |
| Theux to Oissel | 225.53 mi (362.96 km) |
| Theux to Olivet | 255.40 mi (411.03 km) |
| Theux to Ollioules | 510.98 mi (822.35 km) |
| Theux to Olonne-sur-Mer | 443.24 mi (713.32 km) |
| Theux to Oloron-Sainte-Marie | 590.44 mi (950.23 km) |
| Theux to Onet Village | 451.91 mi (727.28 km) |
| Theux to Onnaing | 97.96 mi (157.66 km) |
| Theux to Orange | 444.44 mi (715.26 km) |
| Theux to Orchies | 112.97 mi (181.81 km) |
| Theux to Orleans | 253.17 mi (407.44 km) |
| Theux to Orly | 196.79 mi (316.70 km) |
| Theux to Ormesson-sur-Marne | 189.87 mi (305.56 km) |
| Theux to Orsay | 206.00 mi (331.52 km) |
| Theux to Orthez | 576.78 mi (928.24 km) |
