| Markgroningen to Opwijk | 260.17 mi (418.71 km) |
| Markgroningen to Ostend | 316.70 mi (509.68 km) |
| Markgroningen to Oud-Heverlee | 237.42 mi (382.09 km) |
| Markgroningen to Oud-Turnhout | 246.38 mi (396.51 km) |
| Markgroningen to Oudenaarde | 278.50 mi (448.20 km) |
| Markgroningen to Oudenburg | 312.24 mi (502.51 km) |
| Markgroningen to Oupeye | 197.52 mi (317.87 km) |
| Markgroningen to Overijse | 240.56 mi (387.15 km) |
| Markgroningen to Overpelt | 227.83 mi (366.66 km) |
| Markgroningen to Paal | 227.78 mi (366.58 km) |
| Markgroningen to Peer | 222.73 mi (358.45 km) |
| Markgroningen to Pepinster | 185.53 mi (298.58 km) |
| Markgroningen to Peruwelz | 269.61 mi (433.89 km) |
| Markgroningen to Perwez | 224.35 mi (361.06 km) |
| Markgroningen to Philippeville | 221.89 mi (357.09 km) |
