| Karkkila to Opwijk | 1,014.41 mi (1,632.54 km) |
| Karkkila to Ostend | 1,038.38 mi (1,671.11 km) |
| Karkkila to Oud-Heverlee | 1,007.45 mi (1,621.34 km) |
| Karkkila to Oud-Turnhout | 973.29 mi (1,566.36 km) |
| Karkkila to Oudenaarde | 1,037.37 mi (1,669.48 km) |
| Karkkila to Oudenburg | 1,038.11 mi (1,670.68 km) |
| Karkkila to Oupeye | 986.55 mi (1,587.70 km) |
| Karkkila to Overijse | 1,013.88 mi (1,631.68 km) |
| Karkkila to Overpelt | 966.09 mi (1,554.77 km) |
| Karkkila to Paal | 982.28 mi (1,580.83 km) |
| Karkkila to Peer | 969.43 mi (1,560.14 km) |
| Karkkila to Pepinster | 989.33 mi (1,592.17 km) |
| Karkkila to Peruwelz | 1,055.09 mi (1,698.00 km) |
| Karkkila to Perwez | 1,014.23 mi (1,632.25 km) |
| Karkkila to Philippeville | 1,044.22 mi (1,680.51 km) |
