| Cities | Distance |
|---|
| Seia to Opwijk | 924.87 mi (1,488.43 km) |
| Seia to Ostend | 902.85 mi (1,453.00 km) |
| Seia to Oud-Heverlee | 932.67 mi (1,500.99 km) |
| Seia to Oud-Turnhout | 966.23 mi (1,555.00 km) |
| Seia to Oudenaarde | 901.87 mi (1,451.42 km) |
| Seia to Oudenburg | 902.73 mi (1,452.80 km) |
| Seia to Oupeye | 957.22 mi (1,540.49 km) |
| Seia to Overijse | 926.13 mi (1,490.47 km) |
| Seia to Overpelt | 974.43 mi (1,568.19 km) |
| Seia to Paal | 958.28 mi (1,542.20 km) |
| Seia to Peer | 971.49 mi (1,563.46 km) |
| Seia to Pepinster | 956.25 mi (1,538.93 km) |
| Seia to Peruwelz | 884.22 mi (1,423.01 km) |
| Seia to Perwez | 926.99 mi (1,491.85 km) |
| Seia to Philippeville | 898.15 mi (1,445.44 km) |
