| Highgate to Carson (California) | 5,449.67 mi (8,770.40 km) |
| Highgate to Carson City (Nevada) | 5,191.47 mi (8,354.86 km) |
| Highgate to Carteret (New Jersey) | 3,473.71 mi (5,590.40 km) |
| Highgate to Cartersville (Georgia) | 4,201.04 mi (6,760.93 km) |
| Highgate to Carthage (Missouri) | 4,428.00 mi (7,126.17 km) |
| Highgate to Cary (Illinois) | 3,952.78 mi (6,361.38 km) |
| Highgate to Cary (North Carolina) | 3,879.38 mi (6,243.25 km) |
| Highgate to Casa de Oro-Mount Helix (California) | 5,469.28 mi (8,801.95 km) |
| Highgate to Casa Grande (Arizona) | 5,286.01 mi (8,507.02 km) |
| Highgate to Casas Adobes (Arizona) | 5,291.31 mi (8,515.55 km) |
| Highgate to Cascades (Virginia) | 3,670.51 mi (5,907.11 km) |
| Highgate to Casper (Wyoming) | 4,564.54 mi (7,345.92 km) |
| Highgate to Casselberry (Florida) | 4,328.80 mi (6,966.53 km) |
| Highgate to Castaic (California) | 5,424.72 mi (8,730.24 km) |
| Highgate to Castle Pines (Colorado) | 4,692.72 mi (7,552.20 km) |
