| Hornchurch to Carson (California) | 5,461.81 mi (8,789.94 km) |
| Hornchurch to Carson City (Nevada) | 5,202.91 mi (8,373.27 km) |
| Hornchurch to Carteret (New Jersey) | 3,488.61 mi (5,614.38 km) |
| Hornchurch to Cartersville (Georgia) | 4,215.88 mi (6,784.80 km) |
| Hornchurch to Carthage (Missouri) | 4,442.04 mi (7,148.78 km) |
| Hornchurch to Cary (Illinois) | 3,966.78 mi (6,383.92 km) |
| Hornchurch to Cary (North Carolina) | 3,894.38 mi (6,267.40 km) |
| Hornchurch to Casa de Oro-Mount Helix (California) | 5,481.66 mi (8,821.89 km) |
| Hornchurch to Casa Grande (Arizona) | 5,298.95 mi (8,527.83 km) |
| Hornchurch to Casas Adobes (Arizona) | 5,304.37 mi (8,536.56 km) |
| Hornchurch to Cascades (Virginia) | 3,685.38 mi (5,931.04 km) |
| Hornchurch to Casper (Wyoming) | 4,577.02 mi (7,366.01 km) |
| Hornchurch to Casselberry (Florida) | 4,344.02 mi (6,991.02 km) |
| Hornchurch to Castaic (California) | 5,436.75 mi (8,749.61 km) |
| Hornchurch to Castle Pines (Colorado) | 4,705.70 mi (7,573.09 km) |
