| Bad Gandersheim to Opwijk | 259.29 mi (417.29 km) |
| Bad Gandersheim to Ostend | 308.43 mi (496.36 km) |
| Bad Gandersheim to Oud-Heverlee | 242.04 mi (389.53 km) |
| Bad Gandersheim to Oud-Turnhout | 219.74 mi (353.64 km) |
| Bad Gandersheim to Oudenaarde | 285.95 mi (460.19 km) |
| Bad Gandersheim to Oudenburg | 305.59 mi (491.79 km) |
| Bad Gandersheim to Oupeye | 205.67 mi (330.99 km) |
| Bad Gandersheim to Overijse | 248.68 mi (400.22 km) |
| Bad Gandersheim to Overpelt | 203.10 mi (326.86 km) |
| Bad Gandersheim to Paal | 216.65 mi (348.66 km) |
| Bad Gandersheim to Peer | 203.11 mi (326.88 km) |
| Bad Gandersheim to Pepinster | 203.19 mi (327.01 km) |
| Bad Gandersheim to Peruwelz | 294.11 mi (473.33 km) |
| Bad Gandersheim to Perwez | 241.20 mi (388.18 km) |
| Bad Gandersheim to Philippeville | 264.36 mi (425.45 km) |
