| Heilbronn to Opwijk | 256.06 mi (412.09 km) |
| Heilbronn to Ostend | 313.19 mi (504.03 km) |
| Heilbronn to Oud-Heverlee | 233.13 mi (375.18 km) |
| Heilbronn to Oud-Turnhout | 239.55 mi (385.53 km) |
| Heilbronn to Oudenaarde | 275.62 mi (443.57 km) |
| Heilbronn to Oudenburg | 308.79 mi (496.95 km) |
| Heilbronn to Oupeye | 191.95 mi (308.91 km) |
| Heilbronn to Overijse | 236.71 mi (380.94 km) |
| Heilbronn to Overpelt | 220.53 mi (354.91 km) |
| Heilbronn to Paal | 221.68 mi (356.77 km) |
| Heilbronn to Peer | 215.67 mi (347.09 km) |
| Heilbronn to Pepinster | 180.30 mi (290.16 km) |
| Heilbronn to Peruwelz | 268.15 mi (431.54 km) |
| Heilbronn to Perwez | 220.79 mi (355.32 km) |
| Heilbronn to Philippeville | 220.86 mi (355.44 km) |
