| Genappe to Oestrich-Winkel | 162.05 mi (260.80 km) |
| Genappe to Offenburg | 214.72 mi (345.56 km) |
| Genappe to Oftersheim | 202.34 mi (325.63 km) |
| Genappe to Ohrdruf | 275.24 mi (442.95 km) |
| Genappe to Ohringen | 244.61 mi (393.67 km) |
| Genappe to Olbernhau | 389.10 mi (626.20 km) |
| Genappe to Olching | 350.27 mi (563.71 km) |
| Genappe to Oldenburg | 238.00 mi (383.03 km) |
| Genappe to Oldenburg in Holstein | 372.21 mi (599.01 km) |
| Genappe to Olfen | 148.68 mi (239.27 km) |
| Genappe to Olpe | 150.48 mi (242.18 km) |
| Genappe to Olsberg | 182.93 mi (294.40 km) |
| Genappe to Oranienburg | 404.50 mi (650.97 km) |
| Genappe to Ortenberg | 203.16 mi (326.96 km) |
| Genappe to Oschatz | 379.70 mi (611.07 km) |
