| Pencoed to Oberkirch | 553.51 mi (890.79 km) |
| Pencoed to Obernburg am Main | 564.95 mi (909.21 km) |
| Pencoed to Obernkirchen | 539.95 mi (868.97 km) |
| Pencoed to Oberschleissheim | 706.49 mi (1,136.99 km) |
| Pencoed to Oberstdorf | 679.67 mi (1,093.82 km) |
| Pencoed to Obertraubling | 713.11 mi (1,147.65 km) |
| Pencoed to Obertshausen | 547.47 mi (881.06 km) |
| Pencoed to Oberursel | 534.07 mi (859.50 km) |
| Pencoed to Ochsenfurt | 608.30 mi (978.96 km) |
| Pencoed to Ochsenhausen | 644.43 mi (1,037.11 km) |
| Pencoed to Ochtrup | 458.33 mi (737.61 km) |
| Pencoed to Odenthal | 459.90 mi (740.14 km) |
| Pencoed to Oelde | 499.25 mi (803.47 km) |
| Pencoed to Oelsnitz | 684.80 mi (1,102.08 km) |
| Pencoed to Oer-Erkenschwick | 461.43 mi (742.60 km) |
