| Vaals to Oberkirch | 179.87 mi (289.47 km) |
| Vaals to Obernburg am Main | 152.02 mi (244.65 km) |
| Vaals to Obernkirchen | 168.84 mi (271.72 km) |
| Vaals to Oberschleissheim | 303.58 mi (488.56 km) |
| Vaals to Oberstdorf | 301.56 mi (485.31 km) |
| Vaals to Obertraubling | 300.72 mi (483.96 km) |
| Vaals to Obertshausen | 133.09 mi (214.19 km) |
| Vaals to Oberursel | 119.09 mi (191.65 km) |
| Vaals to Ochsenfurt | 194.97 mi (313.77 km) |
| Vaals to Ochsenhausen | 256.61 mi (412.97 km) |
| Vaals to Ochtrup | 111.50 mi (179.45 km) |
| Vaals to Odenthal | 51.35 mi (82.64 km) |
| Vaals to Oelde | 117.99 mi (189.89 km) |
| Vaals to Oelsnitz | 270.76 mi (435.75 km) |
| Vaals to Oer-Erkenschwick | 80.70 mi (129.88 km) |
