| Sankt Wendel to Oberkirch | 76.72 mi (123.46 km) |
| Sankt Wendel to Obernburg am Main | 92.02 mi (148.09 km) |
| Sankt Wendel to Obernkirchen | 211.30 mi (340.06 km) |
| Sankt Wendel to Oberschleissheim | 216.92 mi (349.10 km) |
| Sankt Wendel to Oberstdorf | 201.35 mi (324.04 km) |
| Sankt Wendel to Obertraubling | 228.26 mi (367.36 km) |
| Sankt Wendel to Obertshausen | 85.15 mi (137.03 km) |
| Sankt Wendel to Oberursel | 80.87 mi (130.14 km) |
| Sankt Wendel to Ochsenfurt | 130.58 mi (210.15 km) |
| Sankt Wendel to Ochsenhausen | 159.13 mi (256.09 km) |
| Sankt Wendel to Ochtrup | 189.24 mi (304.56 km) |
| Sankt Wendel to Odenthal | 108.26 mi (174.23 km) |
| Sankt Wendel to Oelde | 169.09 mi (272.13 km) |
| Sankt Wendel to Oelsnitz | 231.77 mi (372.99 km) |
| Sankt Wendel to Oer-Erkenschwick | 150.36 mi (241.98 km) |
