| Horsforth to Cookeville (Tennessee) | 4,020.42 mi (6,470.24 km) |
| Horsforth to Coolidge (Arizona) | 5,133.93 mi (8,262.26 km) |
| Horsforth to Coon Rapids (Minnesota) | 3,862.86 mi (6,216.66 km) |
| Horsforth to Cooper City (Florida) | 4,331.04 mi (6,970.14 km) |
| Horsforth to Coos Bay (Oregon) | 4,914.33 mi (7,908.85 km) |
| Horsforth to Copiague (New York) | 3,331.43 mi (5,361.42 km) |
| Horsforth to Coppell (Texas) | 4,618.87 mi (7,433.35 km) |
| Horsforth to Copperas Cove (Texas) | 4,751.73 mi (7,647.16 km) |
| Horsforth to Coral Gables (Florida) | 4,348.43 mi (6,998.12 km) |
| Horsforth to Coral Springs (Florida) | 4,318.21 mi (6,949.49 km) |
| Horsforth to Coral Terrace (Florida) | 4,347.53 mi (6,996.68 km) |
| Horsforth to Coralville (Iowa) | 3,972.33 mi (6,392.85 km) |
| Horsforth to Coram (New York) | 3,306.64 mi (5,321.53 km) |
| Horsforth to Corcoran (California) | 5,209.01 mi (8,383.10 km) |
| Horsforth to Cordele (Georgia) | 4,164.37 mi (6,701.91 km) |
