| Bad Ems to Octeville | 418.18 mi (673.00 km) |
| Bad Ems to Oignies | 207.89 mi (334.57 km) |
| Bad Ems to Oissel | 302.76 mi (487.25 km) |
| Bad Ems to Olivet | 313.39 mi (504.36 km) |
| Bad Ems to Ollioules | 505.11 mi (812.89 km) |
| Bad Ems to Olonne-sur-Mer | 507.35 mi (816.51 km) |
| Bad Ems to Oloron-Sainte-Marie | 630.52 mi (1,014.73 km) |
| Bad Ems to Onet Village | 476.87 mi (767.45 km) |
| Bad Ems to Onnaing | 181.27 mi (291.73 km) |
| Bad Ems to Orange | 449.37 mi (723.19 km) |
| Bad Ems to Orchies | 196.88 mi (316.84 km) |
| Bad Ems to Orleans | 311.54 mi (501.38 km) |
| Bad Ems to Orly | 262.56 mi (422.54 km) |
| Bad Ems to Ormesson-sur-Marne | 255.34 mi (410.92 km) |
| Bad Ems to Orsay | 272.34 mi (438.29 km) |
