| Hornchurch to Caguas (Puerto Rico) | 4,223.51 mi (6,797.08 km) |
| Hornchurch to Cahokia (Illinois) | 4,214.12 mi (6,781.98 km) |
| Hornchurch to Calabasas (California) | 5,457.72 mi (8,783.35 km) |
| Hornchurch to Caldwell (Idaho) | 4,856.76 mi (7,816.20 km) |
| Hornchurch to Caledonia (Wisconsin) | 3,925.50 mi (6,317.48 km) |
| Hornchurch to Calera (Alabama) | 4,345.53 mi (6,993.45 km) |
| Hornchurch to Calexico (California) | 5,437.57 mi (8,750.92 km) |
| Hornchurch to Calhoun (Georgia) | 4,205.52 mi (6,768.13 km) |
| Hornchurch to California (Maryland) | 3,682.90 mi (5,927.05 km) |
| Hornchurch to California City (California) | 5,373.95 mi (8,648.54 km) |
| Hornchurch to Callaway (Florida) | 4,446.16 mi (7,155.40 km) |
| Hornchurch to Calumet City (Illinois) | 3,968.26 mi (6,386.30 km) |
| Hornchurch to Calverton (Maryland) | 3,667.03 mi (5,901.52 km) |
| Hornchurch to Camano (Washington) | 4,760.90 mi (7,661.93 km) |
| Hornchurch to Camarillo (California) | 5,464.29 mi (8,793.93 km) |
