| Kortenberg to Oestrich-Winkel | 164.28 mi (264.38 km) |
| Kortenberg to Offenburg | 225.76 mi (363.33 km) |
| Kortenberg to Oftersheim | 207.63 mi (334.15 km) |
| Kortenberg to Ohrdruf | 270.35 mi (435.09 km) |
| Kortenberg to Ohringen | 249.12 mi (400.93 km) |
| Kortenberg to Olbernhau | 384.56 mi (618.88 km) |
| Kortenberg to Olching | 355.97 mi (572.89 km) |
| Kortenberg to Oldenburg | 221.07 mi (355.77 km) |
| Kortenberg to Oldenburg in Holstein | 355.80 mi (572.61 km) |
| Kortenberg to Olfen | 135.91 mi (218.72 km) |
| Kortenberg to Olpe | 143.93 mi (231.63 km) |
| Kortenberg to Olsberg | 174.31 mi (280.52 km) |
| Kortenberg to Oranienburg | 393.27 mi (632.91 km) |
| Kortenberg to Ortenberg | 201.52 mi (324.32 km) |
| Kortenberg to Oschatz | 372.97 mi (600.24 km) |
