| Samokov to Opwijk | 1,090.15 mi (1,754.42 km) |
| Samokov to Ostend | 1,147.42 mi (1,846.60 km) |
| Samokov to Oud-Heverlee | 1,067.17 mi (1,717.45 km) |
| Samokov to Oud-Turnhout | 1,070.15 mi (1,722.24 km) |
| Samokov to Oudenaarde | 1,109.79 mi (1,786.04 km) |
| Samokov to Oudenburg | 1,143.03 mi (1,839.54 km) |
| Samokov to Oupeye | 1,025.18 mi (1,649.86 km) |
| Samokov to Overijse | 1,070.91 mi (1,723.46 km) |
| Samokov to Overpelt | 1,050.38 mi (1,690.43 km) |
| Samokov to Paal | 1,053.92 mi (1,696.13 km) |
| Samokov to Peer | 1,046.21 mi (1,683.71 km) |
| Samokov to Pepinster | 1,013.93 mi (1,631.76 km) |
| Samokov to Peruwelz | 1,101.21 mi (1,772.22 km) |
| Samokov to Perwez | 1,055.04 mi (1,697.92 km) |
| Samokov to Philippeville | 1,053.41 mi (1,695.30 km) |
