| Theux to Obernburg am Main | 154.84 mi (249.19 km) |
| Theux to Obernkirchen | 185.98 mi (299.31 km) |
| Theux to Oberschleissheim | 302.97 mi (487.58 km) |
| Theux to Oberstdorf | 295.95 mi (476.29 km) |
| Theux to Obertraubling | 303.53 mi (488.48 km) |
| Theux to Obertshausen | 137.14 mi (220.70 km) |
| Theux to Oberursel | 123.92 mi (199.43 km) |
| Theux to Ochsenfurt | 198.17 mi (318.92 km) |
| Theux to Ochsenhausen | 252.22 mi (405.92 km) |
| Theux to Ochtrup | 129.81 mi (208.91 km) |
| Theux to Odenthal | 66.54 mi (107.08 km) |
| Theux to Oelde | 135.22 mi (217.62 km) |
| Theux to Oelsnitz | 279.40 mi (449.65 km) |
| Theux to Oer-Erkenschwick | 98.71 mi (158.86 km) |
| Theux to Oerlinghausen | 158.13 mi (254.49 km) |
