| Katrineholm to Oerlinghausen | 567.67 mi (913.58 km) |
| Katrineholm to Oestrich-Winkel | 702.33 mi (1,130.29 km) |
| Katrineholm to Offenburg | 800.99 mi (1,289.06 km) |
| Katrineholm to Oftersheim | 732.02 mi (1,178.08 km) |
| Katrineholm to Ohrdruf | 604.45 mi (972.76 km) |
| Katrineholm to Ohringen | 728.63 mi (1,172.62 km) |
| Katrineholm to Olbernhau | 586.83 mi (944.41 km) |
| Katrineholm to Olching | 772.09 mi (1,242.56 km) |
| Katrineholm to Oldenburg | 507.77 mi (817.18 km) |
| Katrineholm to Oldenburg in Holstein | 382.15 mi (615.01 km) |
| Katrineholm to Olfen | 609.76 mi (981.32 km) |
| Katrineholm to Olpe | 642.46 mi (1,033.94 km) |
| Katrineholm to Olsberg | 609.10 mi (980.25 km) |
| Katrineholm to Oranienburg | 446.44 mi (718.47 km) |
| Katrineholm to Ortenberg | 661.08 mi (1,063.91 km) |
