| Obernkirchen to Oestrich-Winkel | 163.92 mi (263.80 km) |
| Obernkirchen to Offenburg | 267.66 mi (430.76 km) |
| Obernkirchen to Oftersheim | 201.43 mi (324.17 km) |
| Obernkirchen to Ohrdruf | 121.20 mi (195.05 km) |
| Obernkirchen to Ohringen | 212.53 mi (342.03 km) |
| Obernkirchen to Olbernhau | 212.41 mi (341.84 km) |
| Obernkirchen to Olching | 297.26 mi (478.39 km) |
| Obernkirchen to Oldenburg | 71.47 mi (115.02 km) |
| Obernkirchen to Oldenburg in Holstein | 158.30 mi (254.75 km) |
| Obernkirchen to Olfen | 82.99 mi (133.56 km) |
| Obernkirchen to Olpe | 102.41 mi (164.82 km) |
| Obernkirchen to Olsberg | 68.87 mi (110.84 km) |
| Obernkirchen to Oranienburg | 176.44 mi (283.95 km) |
| Obernkirchen to Ortenberg | 132.04 mi (212.49 km) |
| Obernkirchen to Oschatz | 183.09 mi (294.66 km) |
