| Runcorn to Oberkirch | 575.39 mi (926.01 km) |
| Runcorn to Obernburg am Main | 563.33 mi (906.60 km) |
| Runcorn to Obernkirchen | 499.98 mi (804.64 km) |
| Runcorn to Oberschleissheim | 714.97 mi (1,150.64 km) |
| Runcorn to Oberstdorf | 703.11 mi (1,131.55 km) |
| Runcorn to Obertraubling | 711.23 mi (1,144.61 km) |
| Runcorn to Obertshausen | 543.70 mi (875.00 km) |
| Runcorn to Oberursel | 529.20 mi (851.67 km) |
| Runcorn to Ochsenfurt | 605.69 mi (974.77 km) |
| Runcorn to Ochsenhausen | 662.22 mi (1,065.74 km) |
| Runcorn to Ochtrup | 421.81 mi (678.84 km) |
| Runcorn to Odenthal | 446.25 mi (718.16 km) |
| Runcorn to Oelde | 468.10 mi (753.34 km) |
| Runcorn to Oelsnitz | 665.46 mi (1,070.95 km) |
| Runcorn to Oer-Erkenschwick | 435.73 mi (701.24 km) |
