| Sipoo to Opwijk | 1,039.93 mi (1,673.60 km) |
| Sipoo to Ostend | 1,065.26 mi (1,714.36 km) |
| Sipoo to Oud-Heverlee | 1,032.37 mi (1,661.43 km) |
| Sipoo to Oud-Turnhout | 998.54 mi (1,607.00 km) |
| Sipoo to Oudenaarde | 1,063.23 mi (1,711.11 km) |
| Sipoo to Oudenburg | 1,064.87 mi (1,713.75 km) |
| Sipoo to Oupeye | 1,010.38 mi (1,626.04 km) |
| Sipoo to Overijse | 1,038.84 mi (1,671.86 km) |
| Sipoo to Overpelt | 990.81 mi (1,594.55 km) |
| Sipoo to Paal | 1,007.00 mi (1,620.60 km) |
| Sipoo to Peer | 994.00 mi (1,599.69 km) |
| Sipoo to Pepinster | 1,012.80 mi (1,629.94 km) |
| Sipoo to Peruwelz | 1,080.56 mi (1,738.99 km) |
| Sipoo to Perwez | 1,038.74 mi (1,671.69 km) |
| Sipoo to Philippeville | 1,068.44 mi (1,719.49 km) |
