| Runcorn to Oswego (Illinois) | 3,828.64 mi (6,161.60 km) |
| Runcorn to Oswego (New York) | 3,296.48 mi (5,305.17 km) |
| Runcorn to Otsego (Minnesota) | 3,849.22 mi (6,194.71 km) |
| Runcorn to Ottawa (Illinois) | 3,862.57 mi (6,216.21 km) |
| Runcorn to Ottawa (Kansas) | 4,236.96 mi (6,818.72 km) |
| Runcorn to Ottumwa (Iowa) | 4,011.79 mi (6,456.35 km) |
| Runcorn to Overland (Missouri) | 4,050.00 mi (6,517.84 km) |
| Runcorn to Overland Park (Kansas) | 4,201.25 mi (6,761.25 km) |
| Runcorn to Overlea (Maryland) | 3,480.86 mi (5,601.90 km) |
| Runcorn to Oviedo (Florida) | 4,193.02 mi (6,748.02 km) |
| Runcorn to Owasso (Oklahoma) | 4,376.00 mi (7,042.49 km) |
| Runcorn to Owatonna (Minnesota) | 3,891.79 mi (6,263.24 km) |
| Runcorn to Owensboro (Kentucky) | 3,972.36 mi (6,392.89 km) |
| Runcorn to Owings Mills (Maryland) | 3,489.55 mi (5,615.90 km) |
| Runcorn to Owosso (Michigan) | 3,611.01 mi (5,811.36 km) |
