| Gistel to Oignies | 47.47 mi (76.40 km) |
| Gistel to Oissel | 150.26 mi (241.82 km) |
| Gistel to Olivet | 232.44 mi (374.08 km) |
| Gistel to Ollioules | 570.07 mi (917.44 km) |
| Gistel to Olonne-sur-Mer | 384.98 mi (619.56 km) |
| Gistel to Oloron-Sainte-Marie | 574.97 mi (925.33 km) |
| Gistel to Onet Village | 469.50 mi (755.58 km) |
| Gistel to Onnaing | 59.82 mi (96.26 km) |
| Gistel to Orange | 492.37 mi (792.39 km) |
| Gistel to Orchies | 48.61 mi (78.23 km) |
| Gistel to Orleans | 229.75 mi (369.75 km) |
| Gistel to Orly | 168.61 mi (271.35 km) |
| Gistel to Ormesson-sur-Marne | 164.88 mi (265.34 km) |
| Gistel to Orsay | 173.33 mi (278.95 km) |
| Gistel to Orthez | 557.79 mi (897.68 km) |
