| Clifton to Oerlinghausen | 419.33 mi (674.85 km) |
| Clifton to Oestrich-Winkel | 442.71 mi (712.48 km) |
| Clifton to Offenburg | 502.41 mi (808.54 km) |
| Clifton to Oftersheim | 487.97 mi (785.32 km) |
| Clifton to Ohrdruf | 527.29 mi (848.59 km) |
| Clifton to Ohringen | 528.91 mi (851.21 km) |
| Clifton to Olbernhau | 637.95 mi (1,026.68 km) |
| Clifton to Olching | 636.27 mi (1,023.97 km) |
| Clifton to Oldenburg | 390.34 mi (628.19 km) |
| Clifton to Oldenburg in Holstein | 503.12 mi (809.70 km) |
| Clifton to Olfen | 370.55 mi (596.35 km) |
| Clifton to Olpe | 404.85 mi (651.54 km) |
| Clifton to Olsberg | 423.23 mi (681.13 km) |
| Clifton to Oranienburg | 600.80 mi (966.89 km) |
| Clifton to Ortenberg | 472.33 mi (760.13 km) |
