| Cities | Distance |
|---|---|
| Seaham to Opwijk | 352.78 mi (567.74 km) |
| Seaham to Ostend | 305.95 mi (492.38 km) |
| Seaham to Oud-Heverlee | 373.23 mi (600.65 km) |
| Seaham to Oud-Turnhout | 357.72 mi (575.69 km) |
| Seaham to Oudenaarde | 344.06 mi (553.70 km) |
| Seaham to Oudenburg | 310.33 mi (499.43 km) |
| Seaham to Oupeye | 407.92 mi (656.48 km) |
| Seaham to Overijse | 372.21 mi (599.01 km) |
| Seaham to Overpelt | 375.87 mi (604.91 km) |
| Seaham to Paal | 377.21 mi (607.06 km) |
| Seaham to Peer | 381.08 mi (613.29 km) |
| Seaham to Pepinster | 420.26 mi (676.35 km) |
| Seaham to Peruwelz | 362.80 mi (583.87 km) |
| Seaham to Perwez | 388.51 mi (625.25 km) |
| Seaham to Philippeville | 404.80 mi (651.46 km) |