| Mariestad to Opwijk | 656.24 mi (1,056.12 km) |
| Mariestad to Ostend | 671.77 mi (1,081.11 km) |
| Mariestad to Oud-Heverlee | 653.30 mi (1,051.38 km) |
| Mariestad to Oud-Turnhout | 617.55 mi (993.85 km) |
| Mariestad to Oudenaarde | 676.64 mi (1,088.95 km) |
| Mariestad to Oudenburg | 672.14 mi (1,081.71 km) |
| Mariestad to Oupeye | 640.35 mi (1,030.54 km) |
| Mariestad to Overijse | 659.22 mi (1,060.91 km) |
| Mariestad to Overpelt | 614.11 mi (988.31 km) |
| Mariestad to Paal | 629.99 mi (1,013.87 km) |
| Mariestad to Peer | 618.39 mi (995.20 km) |
| Mariestad to Pepinster | 645.64 mi (1,039.05 km) |
| Mariestad to Peruwelz | 696.49 mi (1,120.90 km) |
| Mariestad to Perwez | 662.64 mi (1,066.42 km) |
| Mariestad to Philippeville | 693.93 mi (1,116.78 km) |
