| Illkirch-Graffenstaden to Oignies | 250.79 mi (403.61 km) |
| Illkirch-Graffenstaden to Oissel | 305.94 mi (492.35 km) |
| Illkirch-Graffenstaden to Olivet | 271.87 mi (437.53 km) |
| Illkirch-Graffenstaden to Ollioules | 383.18 mi (616.67 km) |
| Illkirch-Graffenstaden to Olonne-sur-Mer | 463.41 mi (745.78 km) |
| Illkirch-Graffenstaden to Oloron-Sainte-Marie | 543.88 mi (875.28 km) |
| Illkirch-Graffenstaden to Onet Village | 377.11 mi (606.91 km) |
| Illkirch-Graffenstaden to Onnaing | 225.21 mi (362.44 km) |
| Illkirch-Graffenstaden to Orange | 333.63 mi (536.92 km) |
| Illkirch-Graffenstaden to Orchies | 241.57 mi (388.77 km) |
| Illkirch-Graffenstaden to Orleans | 270.95 mi (436.05 km) |
| Illkirch-Graffenstaden to Orly | 243.63 mi (392.09 km) |
| Illkirch-Graffenstaden to Ormesson-sur-Marne | 237.11 mi (381.58 km) |
| Illkirch-Graffenstaden to Orsay | 252.93 mi (407.06 km) |
| Illkirch-Graffenstaden to Orthez | 535.51 mi (861.82 km) |
