| Penkridge to Oerlinghausen | 457.71 mi (736.61 km) |
| Penkridge to Oestrich-Winkel | 474.79 mi (764.09 km) |
| Penkridge to Offenburg | 529.22 mi (851.69 km) |
| Penkridge to Oftersheim | 518.71 mi (834.78 km) |
| Penkridge to Ohrdruf | 563.89 mi (907.50 km) |
| Penkridge to Ohringen | 560.26 mi (901.65 km) |
| Penkridge to Olbernhau | 675.36 mi (1,086.88 km) |
| Penkridge to Olching | 667.02 mi (1,073.46 km) |
| Penkridge to Oldenburg | 430.79 mi (693.30 km) |
| Penkridge to Oldenburg in Holstein | 544.24 mi (875.88 km) |
| Penkridge to Olfen | 407.78 mi (656.26 km) |
| Penkridge to Olpe | 440.16 mi (708.37 km) |
| Penkridge to Olsberg | 459.97 mi (740.25 km) |
| Penkridge to Oranienburg | 641.04 mi (1,031.65 km) |
| Penkridge to Ortenberg | 506.60 mi (815.30 km) |
