| Karlskoga to Opwijk | 705.83 mi (1,135.92 km) |
| Karlskoga to Ostend | 720.48 mi (1,159.50 km) |
| Karlskoga to Oud-Heverlee | 703.15 mi (1,131.61 km) |
| Karlskoga to Oud-Turnhout | 667.34 mi (1,073.98 km) |
| Karlskoga to Oudenaarde | 725.99 mi (1,168.36 km) |
| Karlskoga to Oudenburg | 720.94 mi (1,160.23 km) |
| Karlskoga to Oupeye | 690.54 mi (1,111.31 km) |
| Karlskoga to Overijse | 709.03 mi (1,141.08 km) |
| Karlskoga to Overpelt | 664.11 mi (1,068.78 km) |
| Karlskoga to Paal | 679.96 mi (1,094.29 km) |
| Karlskoga to Peer | 668.42 mi (1,075.72 km) |
| Karlskoga to Pepinster | 695.88 mi (1,119.92 km) |
| Karlskoga to Peruwelz | 746.00 mi (1,200.57 km) |
| Karlskoga to Perwez | 712.61 mi (1,146.84 km) |
| Karlskoga to Philippeville | 743.94 mi (1,197.25 km) |
