| Katrineholm to Octeville | 962.29 mi (1,548.66 km) |
| Katrineholm to Oignies | 787.76 mi (1,267.77 km) |
| Katrineholm to Oissel | 900.73 mi (1,449.58 km) |
| Katrineholm to Olivet | 964.52 mi (1,552.24 km) |
| Katrineholm to Ollioules | 1,181.26 mi (1,901.05 km) |
| Katrineholm to Olonne-sur-Mer | 1,135.51 mi (1,827.43 km) |
| Katrineholm to Oloron-Sainte-Marie | 1,305.05 mi (2,100.27 km) |
| Katrineholm to Onet Village | 1,162.07 mi (1,870.18 km) |
| Katrineholm to Onnaing | 776.72 mi (1,250.02 km) |
| Katrineholm to Orange | 1,133.78 mi (1,824.64 km) |
| Katrineholm to Orchies | 780.92 mi (1,256.77 km) |
| Katrineholm to Orleans | 962.05 mi (1,548.27 km) |
| Katrineholm to Orly | 901.06 mi (1,450.12 km) |
| Katrineholm to Ormesson-sur-Marne | 895.03 mi (1,440.41 km) |
| Katrineholm to Orsay | 908.83 mi (1,462.61 km) |
