| Grossbottwar to Opwijk | 264.44 mi (425.57 km) |
| Grossbottwar to Ostend | 321.36 mi (517.17 km) |
| Grossbottwar to Oud-Heverlee | 241.56 mi (388.75 km) |
| Grossbottwar to Oud-Turnhout | 248.90 mi (400.56 km) |
| Grossbottwar to Oudenaarde | 283.52 mi (456.28 km) |
| Grossbottwar to Oudenburg | 316.93 mi (510.05 km) |
| Grossbottwar to Oupeye | 200.82 mi (323.19 km) |
| Grossbottwar to Overijse | 244.97 mi (394.24 km) |
| Grossbottwar to Overpelt | 230.01 mi (370.17 km) |
| Grossbottwar to Paal | 230.77 mi (371.39 km) |
| Grossbottwar to Peer | 225.08 mi (362.23 km) |
| Grossbottwar to Pepinster | 189.04 mi (304.23 km) |
| Grossbottwar to Peruwelz | 275.43 mi (443.26 km) |
| Grossbottwar to Perwez | 228.93 mi (368.42 km) |
| Grossbottwar to Philippeville | 227.92 mi (366.80 km) |
