| Serinyol to Opwijk | 1,869.29 mi (3,008.33 km) |
| Serinyol to Ostend | 1,926.96 mi (3,101.14 km) |
| Serinyol to Oud-Heverlee | 1,846.34 mi (2,971.39 km) |
| Serinyol to Oud-Turnhout | 1,845.58 mi (2,970.17 km) |
| Serinyol to Oudenaarde | 1,890.49 mi (3,042.45 km) |
| Serinyol to Oudenburg | 1,922.70 mi (3,094.29 km) |
| Serinyol to Oupeye | 1,803.41 mi (2,902.31 km) |
| Serinyol to Overijse | 1,850.59 mi (2,978.24 km) |
| Serinyol to Overpelt | 1,825.62 mi (2,938.05 km) |
| Serinyol to Paal | 1,830.87 mi (2,946.50 km) |
| Serinyol to Peer | 1,821.95 mi (2,932.15 km) |
| Serinyol to Pepinster | 1,792.75 mi (2,885.16 km) |
| Serinyol to Peruwelz | 1,883.70 mi (3,031.52 km) |
| Serinyol to Perwez | 1,835.22 mi (2,953.50 km) |
| Serinyol to Philippeville | 1,836.30 mi (2,955.23 km) |
