| Norrtalje to Opwijk | 829.94 mi (1,335.65 km) |
| Norrtalje to Ostend | 850.22 mi (1,368.30 km) |
| Norrtalje to Oud-Heverlee | 824.71 mi (1,327.25 km) |
| Norrtalje to Oud-Turnhout | 789.71 mi (1,270.91 km) |
| Norrtalje to Oudenaarde | 851.84 mi (1,370.90 km) |
| Norrtalje to Oudenburg | 850.24 mi (1,368.33 km) |
| Norrtalje to Oupeye | 807.19 mi (1,299.04 km) |
| Norrtalje to Overijse | 830.94 mi (1,337.27 km) |
| Norrtalje to Overpelt | 784.11 mi (1,261.90 km) |
| Norrtalje to Paal | 800.24 mi (1,287.87 km) |
| Norrtalje to Peer | 787.87 mi (1,267.95 km) |
| Norrtalje to Pepinster | 811.08 mi (1,305.30 km) |
| Norrtalje to Peruwelz | 870.56 mi (1,401.03 km) |
| Norrtalje to Perwez | 832.65 mi (1,340.02 km) |
| Norrtalje to Philippeville | 863.34 mi (1,389.42 km) |
