| Karlsruhe to Octeville | 454.18 mi (730.93 km) |
| Karlsruhe to Oignies | 261.72 mi (421.21 km) |
| Karlsruhe to Oissel | 330.97 mi (532.65 km) |
| Karlsruhe to Olivet | 308.33 mi (496.21 km) |
| Karlsruhe to Ollioules | 423.61 mi (681.74 km) |
| Karlsruhe to Olonne-sur-Mer | 502.03 mi (807.94 km) |
| Karlsruhe to Oloron-Sainte-Marie | 588.98 mi (947.87 km) |
| Karlsruhe to Onet Village | 422.57 mi (680.06 km) |
| Karlsruhe to Onnaing | 234.89 mi (378.02 km) |
| Karlsruhe to Orange | 377.26 mi (607.14 km) |
| Karlsruhe to Orchies | 251.58 mi (404.89 km) |
| Karlsruhe to Orleans | 307.17 mi (494.35 km) |
| Karlsruhe to Orly | 273.70 mi (440.48 km) |
| Karlsruhe to Ormesson-sur-Marne | 266.81 mi (429.40 km) |
| Karlsruhe to Orsay | 283.35 mi (456.01 km) |
