| Eupen to Oignies | 133.92 mi (215.52 km) |
| Eupen to Oissel | 236.92 mi (381.28 km) |
| Eupen to Olivet | 267.05 mi (429.77 km) |
| Eupen to Ollioules | 517.85 mi (833.40 km) |
| Eupen to Olonne-sur-Mer | 455.04 mi (732.32 km) |
| Eupen to Oloron-Sainte-Marie | 601.44 mi (967.93 km) |
| Eupen to Onet Village | 461.73 mi (743.09 km) |
| Eupen to Onnaing | 108.33 mi (174.34 km) |
| Eupen to Orange | 452.38 mi (728.03 km) |
| Eupen to Orchies | 122.92 mi (197.82 km) |
| Eupen to Orleans | 264.83 mi (426.20 km) |
| Eupen to Orly | 208.58 mi (335.67 km) |
| Eupen to Ormesson-sur-Marne | 201.65 mi (324.53 km) |
| Eupen to Orsay | 217.80 mi (350.51 km) |
| Eupen to Orthez | 587.90 mi (946.14 km) |
