| Sint-Andries to Oignies | 51.17 mi (82.35 km) |
| Sint-Andries to Oissel | 158.15 mi (254.52 km) |
| Sint-Andries to Olivet | 237.56 mi (382.32 km) |
| Sint-Andries to Ollioules | 570.71 mi (918.47 km) |
| Sint-Andries to Olonne-sur-Mer | 392.97 mi (632.42 km) |
| Sint-Andries to Oloron-Sainte-Marie | 580.86 mi (934.80 km) |
| Sint-Andries to Onet Village | 473.00 mi (761.22 km) |
| Sint-Andries to Onnaing | 58.97 mi (94.90 km) |
| Sint-Andries to Orange | 493.72 mi (794.56 km) |
| Sint-Andries to Orchies | 50.18 mi (80.76 km) |
| Sint-Andries to Orleans | 234.88 mi (378.00 km) |
| Sint-Andries to Orly | 173.29 mi (278.89 km) |
| Sint-Andries to Ormesson-sur-Marne | 169.25 mi (272.37 km) |
| Sint-Andries to Orsay | 178.44 mi (287.17 km) |
| Sint-Andries to Orthez | 563.87 mi (907.46 km) |
