| Runcorn to Oerlinghausen | 486.62 mi (783.15 km) |
| Runcorn to Oestrich-Winkel | 513.93 mi (827.10 km) |
| Runcorn to Offenburg | 573.04 mi (922.22 km) |
| Runcorn to Oftersheim | 559.25 mi (900.03 km) |
| Runcorn to Ohrdruf | 596.50 mi (959.97 km) |
| Runcorn to Ohringen | 600.18 mi (965.90 km) |
| Runcorn to Olbernhau | 706.25 mi (1,136.59 km) |
| Runcorn to Olching | 707.54 mi (1,138.68 km) |
| Runcorn to Oldenburg | 452.41 mi (728.08 km) |
| Runcorn to Oldenburg in Holstein | 558.43 mi (898.70 km) |
| Runcorn to Olfen | 439.40 mi (707.15 km) |
| Runcorn to Olpe | 475.10 mi (764.60 km) |
| Runcorn to Olsberg | 492.45 mi (792.53 km) |
| Runcorn to Oranienburg | 663.19 mi (1,067.29 km) |
| Runcorn to Ortenberg | 543.01 mi (873.89 km) |
