| Radstock to Oerlinghausen | 478.49 mi (770.06 km) |
| Radstock to Oestrich-Winkel | 465.96 mi (749.89 km) |
| Radstock to Offenburg | 501.20 mi (806.61 km) |
| Radstock to Oftersheim | 503.85 mi (810.87 km) |
| Radstock to Ohrdruf | 572.51 mi (921.36 km) |
| Radstock to Ohringen | 546.66 mi (879.77 km) |
| Radstock to Olbernhau | 686.53 mi (1,104.86 km) |
| Radstock to Olching | 649.46 mi (1,045.20 km) |
| Radstock to Oldenburg | 468.58 mi (754.11 km) |
| Radstock to Oldenburg in Holstein | 593.31 mi (954.85 km) |
| Radstock to Olfen | 423.50 mi (681.56 km) |
| Radstock to Olpe | 445.60 mi (717.12 km) |
| Radstock to Olsberg | 471.59 mi (758.95 km) |
| Radstock to Oranienburg | 673.07 mi (1,083.19 km) |
| Radstock to Ortenberg | 505.70 mi (813.85 km) |
