| Geisenfeld to Opwijk | 366.63 mi (590.03 km) |
| Geisenfeld to Ostend | 424.18 mi (682.65 km) |
| Geisenfeld to Oud-Heverlee | 343.64 mi (553.03 km) |
| Geisenfeld to Oud-Turnhout | 346.08 mi (556.96 km) |
| Geisenfeld to Oudenaarde | 387.38 mi (623.43 km) |
| Geisenfeld to Oudenburg | 419.87 mi (675.71 km) |
| Geisenfeld to Oupeye | 301.21 mi (484.74 km) |
| Geisenfeld to Overijse | 347.68 mi (559.54 km) |
| Geisenfeld to Overpelt | 326.39 mi (525.27 km) |
| Geisenfeld to Paal | 329.75 mi (530.69 km) |
| Geisenfeld to Peer | 322.11 mi (518.39 km) |
| Geisenfeld to Pepinster | 290.16 mi (466.97 km) |
| Geisenfeld to Peruwelz | 380.89 mi (612.99 km) |
| Geisenfeld to Perwez | 332.16 mi (534.55 km) |
| Geisenfeld to Philippeville | 333.87 mi (537.32 km) |
