| Katrineholm to Opwijk | 729.28 mi (1,173.67 km) |
| Katrineholm to Ostend | 748.41 mi (1,204.45 km) |
| Katrineholm to Oud-Heverlee | 724.70 mi (1,166.29 km) |
| Katrineholm to Oud-Turnhout | 689.44 mi (1,109.54 km) |
| Katrineholm to Oudenaarde | 750.80 mi (1,208.30 km) |
| Katrineholm to Oudenburg | 748.50 mi (1,204.60 km) |
| Katrineholm to Oupeye | 708.53 mi (1,140.28 km) |
| Katrineholm to Overijse | 730.84 mi (1,176.18 km) |
| Katrineholm to Overpelt | 684.45 mi (1,101.52 km) |
| Katrineholm to Paal | 700.54 mi (1,127.40 km) |
| Katrineholm to Peer | 688.37 mi (1,107.83 km) |
| Katrineholm to Pepinster | 712.88 mi (1,147.27 km) |
| Katrineholm to Peruwelz | 769.84 mi (1,238.94 km) |
| Katrineholm to Perwez | 733.06 mi (1,179.74 km) |
| Katrineholm to Philippeville | 763.97 mi (1,229.49 km) |
