| Pencoed to Oerlinghausen | 520.99 mi (838.45 km) |
| Pencoed to Oestrich-Winkel | 513.13 mi (825.80 km) |
| Pencoed to Offenburg | 549.43 mi (884.22 km) |
| Pencoed to Oftersheim | 551.58 mi (887.68 km) |
| Pencoed to Ohrdruf | 617.61 mi (993.95 km) |
| Pencoed to Ohringen | 594.35 mi (956.52 km) |
| Pencoed to Olbernhau | 731.41 mi (1,177.09 km) |
| Pencoed to Olching | 697.46 mi (1,122.45 km) |
| Pencoed to Oldenburg | 506.66 mi (815.39 km) |
| Pencoed to Oldenburg in Holstein | 628.15 mi (1,010.92 km) |
| Pencoed to Olfen | 466.84 mi (751.30 km) |
| Pencoed to Olpe | 490.88 mi (789.99 km) |
| Pencoed to Olsberg | 515.90 mi (830.27 km) |
| Pencoed to Oranienburg | 713.38 mi (1,148.08 km) |
| Pencoed to Ortenberg | 552.05 mi (888.44 km) |
