| Runkel to Oerlinghausen | 110.13 mi (177.24 km) |
| Runkel to Oestrich-Winkel | 28.83 mi (46.40 km) |
| Runkel to Offenburg | 134.31 mi (216.16 km) |
| Runkel to Oftersheim | 74.01 mi (119.10 km) |
| Runkel to Ohrdruf | 116.72 mi (187.84 km) |
| Runkel to Ohringen | 102.63 mi (165.16 km) |
| Runkel to Olbernhau | 228.08 mi (367.05 km) |
| Runkel to Olching | 208.55 mi (335.62 km) |
| Runkel to Oldenburg | 189.24 mi (304.55 km) |
| Runkel to Oldenburg in Holstein | 292.64 mi (470.96 km) |
| Runkel to Olfen | 96.61 mi (155.47 km) |
| Runkel to Olpe | 44.53 mi (71.66 km) |
| Runkel to Olsberg | 66.82 mi (107.54 km) |
| Runkel to Oranienburg | 271.84 mi (437.48 km) |
| Runkel to Ortenberg | 39.81 mi (64.07 km) |
