| Bad Krozingen to Octeville | 441.23 mi (710.08 km) |
| Bad Krozingen to Oignies | 276.06 mi (444.28 km) |
| Bad Krozingen to Oissel | 317.32 mi (510.68 km) |
| Bad Krozingen to Olivet | 268.65 mi (432.35 km) |
| Bad Krozingen to Ollioules | 342.02 mi (550.43 km) |
| Bad Krozingen to Olonne-sur-Mer | 454.28 mi (731.10 km) |
| Bad Krozingen to Oloron-Sainte-Marie | 517.16 mi (832.29 km) |
| Bad Krozingen to Onet Village | 346.21 mi (557.17 km) |
| Bad Krozingen to Onnaing | 251.95 mi (405.47 km) |
| Bad Krozingen to Orange | 295.55 mi (475.63 km) |
| Bad Krozingen to Orchies | 267.71 mi (430.83 km) |
| Bad Krozingen to Orleans | 268.14 mi (431.53 km) |
| Bad Krozingen to Orly | 250.34 mi (402.89 km) |
| Bad Krozingen to Ormesson-sur-Marne | 244.44 mi (393.39 km) |
| Bad Krozingen to Orsay | 258.96 mi (416.76 km) |
