| Kempen to Oestrich-Winkel | 117.01 mi (188.31 km) |
| Kempen to Offenburg | 211.32 mi (340.08 km) |
| Kempen to Oftersheim | 167.64 mi (269.80 km) |
| Kempen to Ohrdruf | 190.78 mi (307.04 km) |
| Kempen to Ohringen | 202.18 mi (325.38 km) |
| Kempen to Olbernhau | 304.26 mi (489.66 km) |
| Kempen to Olching | 309.03 mi (497.33 km) |
| Kempen to Oldenburg | 144.40 mi (232.39 km) |
| Kempen to Oldenburg in Holstein | 275.25 mi (442.97 km) |
| Kempen to Olfen | 47.99 mi (77.24 km) |
| Kempen to Olpe | 65.80 mi (105.90 km) |
| Kempen to Olsberg | 89.05 mi (143.32 km) |
| Kempen to Oranienburg | 304.95 mi (490.77 km) |
| Kempen to Ortenberg | 134.47 mi (216.41 km) |
| Kempen to Oschatz | 288.64 mi (464.52 km) |
