| Runcorn to Cookeville (Tennessee) | 3,989.18 mi (6,419.97 km) |
| Runcorn to Coolidge (Arizona) | 5,116.54 mi (8,234.27 km) |
| Runcorn to Coon Rapids (Minnesota) | 3,842.60 mi (6,184.07 km) |
| Runcorn to Cooper City (Florida) | 4,290.97 mi (6,905.65 km) |
| Runcorn to Coos Bay (Oregon) | 4,911.17 mi (7,903.76 km) |
| Runcorn to Copiague (New York) | 3,296.95 mi (5,305.94 km) |
| Runcorn to Coppell (Texas) | 4,592.28 mi (7,390.56 km) |
| Runcorn to Copperas Cove (Texas) | 4,724.60 mi (7,603.51 km) |
| Runcorn to Coral Gables (Florida) | 4,308.18 mi (6,933.34 km) |
| Runcorn to Coral Springs (Florida) | 4,278.24 mi (6,885.17 km) |
| Runcorn to Coral Terrace (Florida) | 4,307.33 mi (6,931.97 km) |
| Runcorn to Coralville (Iowa) | 3,948.45 mi (6,354.42 km) |
| Runcorn to Coram (New York) | 3,272.13 mi (5,265.99 km) |
| Runcorn to Corcoran (California) | 5,198.77 mi (8,366.61 km) |
| Runcorn to Cordele (Georgia) | 4,129.49 mi (6,645.77 km) |
