| Darmstadt to Opwijk | 210.75 mi (339.17 km) |
| Darmstadt to Ostend | 268.44 mi (432.01 km) |
| Darmstadt to Oud-Heverlee | 187.83 mi (302.28 km) |
| Darmstadt to Oud-Turnhout | 189.35 mi (304.72 km) |
| Darmstadt to Oudenaarde | 232.68 mi (374.47 km) |
| Darmstadt to Oudenburg | 264.21 mi (425.21 km) |
| Darmstadt to Oupeye | 144.86 mi (233.13 km) |
| Darmstadt to Overijse | 192.27 mi (309.43 km) |
| Darmstadt to Overpelt | 169.74 mi (273.17 km) |
| Darmstadt to Paal | 173.00 mi (278.41 km) |
| Darmstadt to Peer | 165.36 mi (266.13 km) |
| Darmstadt to Pepinster | 134.24 mi (216.04 km) |
| Darmstadt to Peruwelz | 228.57 mi (367.84 km) |
| Darmstadt to Perwez | 177.32 mi (285.37 km) |
| Darmstadt to Philippeville | 183.46 mi (295.25 km) |
