| Heilbronn to Oberriet | 127.71 mi (205.52 km) |
| Heilbronn to Obersiggenthal | 122.51 mi (197.16 km) |
| Heilbronn to Oberwil | 136.43 mi (219.56 km) |
| Heilbronn to Oberwingert | 114.69 mi (184.57 km) |
| Heilbronn to Oftringen | 140.08 mi (225.44 km) |
| Heilbronn to Olten | 138.33 mi (222.62 km) |
| Heilbronn to Onex | 251.04 mi (404.02 km) |
| Heilbronn to Opfikon | 122.32 mi (196.85 km) |
| Heilbronn to Ostermundigen | 171.35 mi (275.76 km) |
| Heilbronn to Payerne | 192.70 mi (310.12 km) |
| Heilbronn to Pfaffikon | 124.82 mi (200.87 km) |
| Heilbronn to Plan-les-Ouates | 251.55 mi (404.83 km) |
| Heilbronn to Pratteln | 132.62 mi (213.42 km) |
| Heilbronn to Prilly | 217.71 mi (350.38 km) |
| Heilbronn to Pully | 216.98 mi (349.19 km) |
