| Heilbronn to Octeville | 489.10 mi (787.13 km) |
| Heilbronn to Oignies | 291.96 mi (469.86 km) |
| Heilbronn to Oissel | 366.55 mi (589.91 km) |
| Heilbronn to Olivet | 346.34 mi (557.37 km) |
| Heilbronn to Ollioules | 445.40 mi (716.81 km) |
| Heilbronn to Olonne-sur-Mer | 540.07 mi (869.16 km) |
| Heilbronn to Oloron-Sainte-Marie | 623.80 mi (1,003.91 km) |
| Heilbronn to Onet Village | 455.25 mi (732.65 km) |
| Heilbronn to Onnaing | 264.84 mi (426.22 km) |
| Heilbronn to Orange | 404.32 mi (650.69 km) |
| Heilbronn to Orchies | 281.48 mi (453.00 km) |
| Heilbronn to Orleans | 345.17 mi (555.49 km) |
| Heilbronn to Orly | 310.81 mi (500.21 km) |
| Heilbronn to Ormesson-sur-Marne | 303.87 mi (489.02 km) |
| Heilbronn to Orsay | 320.52 mi (515.83 km) |
