| Obertshausen to Oestrich-Winkel | 37.27 mi (59.98 km) |
| Obertshausen to Offenburg | 117.76 mi (189.51 km) |
| Obertshausen to Oftersheim | 49.36 mi (79.44 km) |
| Obertshausen to Ohrdruf | 98.75 mi (158.92 km) |
| Obertshausen to Ohringen | 66.90 mi (107.67 km) |
| Obertshausen to Olbernhau | 202.58 mi (326.02 km) |
| Obertshausen to Olching | 170.98 mi (275.16 km) |
| Obertshausen to Oldenburg | 214.27 mi (344.83 km) |
| Obertshausen to Oldenburg in Holstein | 305.08 mi (490.98 km) |
| Obertshausen to Olfen | 130.34 mi (209.76 km) |
| Obertshausen to Olpe | 78.97 mi (127.09 km) |
| Obertshausen to Olsberg | 89.98 mi (144.81 km) |
| Obertshausen to Oranienburg | 265.43 mi (427.17 km) |
| Obertshausen to Ortenberg | 22.26 mi (35.82 km) |
| Obertshausen to Oschatz | 205.56 mi (330.82 km) |
