| Hameenlinna to Opwijk | 1,038.52 mi (1,671.33 km) |
| Hameenlinna to Ostend | 1,061.29 mi (1,707.99 km) |
| Hameenlinna to Oud-Heverlee | 1,032.04 mi (1,660.91 km) |
| Hameenlinna to Oud-Turnhout | 997.62 mi (1,605.51 km) |
| Hameenlinna to Oudenaarde | 1,061.17 mi (1,707.78 km) |
| Hameenlinna to Oudenburg | 1,061.13 mi (1,707.72 km) |
| Hameenlinna to Oupeye | 1,011.96 mi (1,628.59 km) |
| Hameenlinna to Overijse | 1,038.41 mi (1,671.16 km) |
| Hameenlinna to Overpelt | 990.84 mi (1,594.61 km) |
| Hameenlinna to Paal | 1,007.03 mi (1,620.67 km) |
| Hameenlinna to Peer | 994.29 mi (1,600.16 km) |
| Hameenlinna to Pepinster | 1,014.99 mi (1,633.48 km) |
| Hameenlinna to Peruwelz | 1,079.20 mi (1,736.80 km) |
| Hameenlinna to Perwez | 1,039.13 mi (1,672.31 km) |
| Hameenlinna to Philippeville | 1,069.31 mi (1,720.88 km) |
