| Hornchurch to Castle Rock (Colorado) | 4,709.65 mi (7,579.45 km) |
| Hornchurch to Castro Valley (California) | 5,354.90 mi (8,617.88 km) |
| Hornchurch to Catalina Foothills (Arizona) | 5,302.03 mi (8,532.79 km) |
| Hornchurch to Cataño (Puerto Rico) | 4,217.21 mi (6,786.94 km) |
| Hornchurch to Cathedral City (California) | 5,404.08 mi (8,697.03 km) |
| Hornchurch to Catonsville (Maryland) | 3,649.34 mi (5,873.04 km) |
| Hornchurch to Cave Spring (Virginia) | 3,875.36 mi (6,236.79 km) |
| Hornchurch to Cayce (South Carolina) | 4,073.13 mi (6,555.06 km) |
| Hornchurch to Cayey (Puerto Rico) | 4,234.95 mi (6,815.49 km) |
| Hornchurch to Cedar City (Utah) | 5,078.06 mi (8,172.34 km) |
| Hornchurch to Cedar Falls (Iowa) | 4,108.86 mi (6,612.57 km) |
| Hornchurch to Cedar Hill (Texas) | 4,775.99 mi (7,686.21 km) |
| Hornchurch to Cedar Lake (Indiana) | 3,975.40 mi (6,397.78 km) |
| Hornchurch to Cedar Mill (Oregon) | 4,921.84 mi (7,920.94 km) |
| Hornchurch to Cedar Park (Texas) | 4,917.25 mi (7,913.55 km) |
