| Orimattila to Opwijk | 1,068.10 mi (1,718.94 km) |
| Orimattila to Ostend | 1,092.51 mi (1,758.22 km) |
| Orimattila to Oud-Heverlee | 1,060.91 mi (1,707.37 km) |
| Orimattila to Oud-Turnhout | 1,026.88 mi (1,652.60 km) |
| Orimattila to Oudenaarde | 1,091.18 mi (1,756.09 km) |
| Orimattila to Oudenburg | 1,092.21 mi (1,757.74 km) |
| Orimattila to Oupeye | 1,039.55 mi (1,672.99 km) |
| Orimattila to Overijse | 1,067.36 mi (1,717.75 km) |
| Orimattila to Overpelt | 1,019.47 mi (1,640.67 km) |
| Orimattila to Paal | 1,035.66 mi (1,666.73 km) |
| Orimattila to Peer | 1,022.74 mi (1,645.95 km) |
| Orimattila to Pepinster | 1,042.16 mi (1,677.20 km) |
| Orimattila to Peruwelz | 1,108.76 mi (1,784.38 km) |
| Orimattila to Perwez | 1,067.53 mi (1,718.02 km) |
| Orimattila to Philippeville | 1,097.40 mi (1,766.09 km) |
