| Sankt Valentin to Oestrich-Winkel | 321.27 mi (517.03 km) |
| Sankt Valentin to Offenburg | 303.81 mi (488.93 km) |
| Sankt Valentin to Oftersheim | 283.11 mi (455.62 km) |
| Sankt Valentin to Ohrdruf | 250.32 mi (402.85 km) |
| Sankt Valentin to Ohringen | 240.21 mi (386.58 km) |
| Sankt Valentin to Olbernhau | 180.42 mi (290.36 km) |
| Sankt Valentin to Olching | 148.17 mi (238.46 km) |
| Sankt Valentin to Oldenburg | 440.67 mi (709.18 km) |
| Sankt Valentin to Oldenburg in Holstein | 451.56 mi (726.71 km) |
| Sankt Valentin to Olfen | 400.89 mi (645.17 km) |
| Sankt Valentin to Olpe | 358.38 mi (576.76 km) |
| Sankt Valentin to Olsberg | 347.72 mi (559.60 km) |
| Sankt Valentin to Oranienburg | 321.51 mi (517.42 km) |
| Sankt Valentin to Ortenberg | 289.22 mi (465.46 km) |
| Sankt Valentin to Oschatz | 225.14 mi (362.33 km) |
