| Velen to Oberkirch | 237.17 mi (381.69 km) |
| Velen to Obernburg am Main | 170.11 mi (273.76 km) |
| Velen to Obernkirchen | 93.95 mi (151.20 km) |
| Velen to Oberschleissheim | 323.26 mi (520.24 km) |
| Velen to Oberstdorf | 342.91 mi (551.86 km) |
| Velen to Obertraubling | 304.59 mi (490.18 km) |
| Velen to Obertshausen | 149.55 mi (240.68 km) |
| Velen to Oberursel | 135.63 mi (218.27 km) |
| Velen to Ochsenfurt | 205.18 mi (330.20 km) |
| Velen to Ochsenhausen | 294.90 mi (474.59 km) |
| Velen to Ochtrup | 23.16 mi (37.28 km) |
| Velen to Odenthal | 59.71 mi (96.10 km) |
| Velen to Oelde | 49.68 mi (79.96 km) |
| Velen to Oelsnitz | 246.40 mi (396.55 km) |
| Velen to Oer-Erkenschwick | 20.67 mi (33.26 km) |
