| Heumen to Oerlinghausen | 120.81 mi (194.42 km) |
| Heumen to Oestrich-Winkel | 154.78 mi (249.10 km) |
| Heumen to Offenburg | 247.01 mi (397.53 km) |
| Heumen to Oftersheim | 205.36 mi (330.50 km) |
| Heumen to Ohrdruf | 220.95 mi (355.58 km) |
| Heumen to Ohringen | 239.94 mi (386.14 km) |
| Heumen to Olbernhau | 332.71 mi (535.44 km) |
| Heumen to Olching | 346.61 mi (557.81 km) |
| Heumen to Oldenburg | 136.88 mi (220.29 km) |
| Heumen to Oldenburg in Holstein | 271.83 mi (437.47 km) |
| Heumen to Olfen | 65.75 mi (105.81 km) |
| Heumen to Olpe | 100.56 mi (161.84 km) |
| Heumen to Olsberg | 116.98 mi (188.27 km) |
| Heumen to Oranienburg | 319.31 mi (513.87 km) |
| Heumen to Ortenberg | 170.55 mi (274.47 km) |
