| Clifton to Oberkirch | 504.62 mi (812.11 km) |
| Clifton to Obernburg am Main | 492.24 mi (792.18 km) |
| Clifton to Obernkirchen | 434.03 mi (698.51 km) |
| Clifton to Oberschleissheim | 643.70 mi (1,035.94 km) |
| Clifton to Oberstdorf | 632.25 mi (1,017.51 km) |
| Clifton to Obertraubling | 640.30 mi (1,030.46 km) |
| Clifton to Obertshausen | 472.68 mi (760.70 km) |
| Clifton to Oberursel | 458.22 mi (737.43 km) |
| Clifton to Ochsenfurt | 534.69 mi (860.50 km) |
| Clifton to Ochsenhausen | 591.11 mi (951.31 km) |
| Clifton to Ochtrup | 354.59 mi (570.66 km) |
| Clifton to Odenthal | 375.70 mi (604.62 km) |
| Clifton to Oelde | 400.07 mi (643.85 km) |
| Clifton to Oelsnitz | 596.16 mi (959.43 km) |
| Clifton to Oer-Erkenschwick | 366.58 mi (589.96 km) |
