| Tonyrefail to Oberkirch | 551.76 mi (887.97 km) |
| Tonyrefail to Obernburg am Main | 562.32 mi (904.97 km) |
| Tonyrefail to Obernkirchen | 536.07 mi (862.72 km) |
| Tonyrefail to Oberschleissheim | 704.34 mi (1,133.52 km) |
| Tonyrefail to Oberstdorf | 678.08 mi (1,091.27 km) |
| Tonyrefail to Obertraubling | 710.58 mi (1,143.57 km) |
| Tonyrefail to Obertshausen | 544.74 mi (876.68 km) |
| Tonyrefail to Oberursel | 531.29 mi (855.03 km) |
| Tonyrefail to Ochsenfurt | 605.67 mi (974.73 km) |
| Tonyrefail to Ochsenhausen | 642.59 mi (1,034.15 km) |
| Tonyrefail to Ochtrup | 454.47 mi (731.40 km) |
| Tonyrefail to Odenthal | 456.74 mi (735.06 km) |
| Tonyrefail to Oelde | 495.59 mi (797.58 km) |
| Tonyrefail to Oelsnitz | 681.65 mi (1,097.01 km) |
| Tonyrefail to Oer-Erkenschwick | 457.89 mi (736.91 km) |
