| Kassel to Octeville | 503.09 mi (809.65 km) |
| Kassel to Oignies | 289.34 mi (465.65 km) |
| Kassel to Oissel | 394.80 mi (635.37 km) |
| Kassel to Olivet | 415.21 mi (668.21 km) |
| Kassel to Ollioules | 590.14 mi (949.74 km) |
| Kassel to Olonne-sur-Mer | 607.96 mi (978.42 km) |
| Kassel to Oloron-Sainte-Marie | 733.09 mi (1,179.80 km) |
| Kassel to Onet Village | 576.60 mi (927.95 km) |
| Kassel to Onnaing | 265.14 mi (426.70 km) |
| Kassel to Orange | 541.39 mi (871.29 km) |
| Kassel to Orchies | 278.57 mi (448.31 km) |
| Kassel to Orleans | 413.27 mi (665.09 km) |
| Kassel to Orly | 361.75 mi (582.19 km) |
| Kassel to Ormesson-sur-Marne | 354.60 mi (570.68 km) |
| Kassel to Orsay | 371.37 mi (597.66 km) |