| Denderleeuw to Oignies | 55.63 mi (89.53 km) |
| Denderleeuw to Oissel | 170.02 mi (273.63 km) |
| Denderleeuw to Olivet | 230.55 mi (371.03 km) |
| Denderleeuw to Ollioules | 541.42 mi (871.33 km) |
| Denderleeuw to Olonne-sur-Mer | 401.62 mi (646.35 km) |
| Denderleeuw to Oloron-Sainte-Marie | 575.04 mi (925.44 km) |
| Denderleeuw to Onet Village | 455.62 mi (733.24 km) |
| Denderleeuw to Onnaing | 40.30 mi (64.86 km) |
| Denderleeuw to Orange | 467.26 mi (751.98 km) |
| Denderleeuw to Orchies | 46.33 mi (74.56 km) |
| Denderleeuw to Orleans | 227.96 mi (366.87 km) |
| Denderleeuw to Orly | 165.91 mi (267.01 km) |
| Denderleeuw to Ormesson-sur-Marne | 160.44 mi (258.20 km) |
| Denderleeuw to Orsay | 173.04 mi (278.48 km) |
| Denderleeuw to Orthez | 559.19 mi (899.93 km) |
