| Highgate to Caguas (Puerto Rico) | 4,208.39 mi (6,772.75 km) |
| Highgate to Cahokia (Illinois) | 4,199.91 mi (6,759.11 km) |
| Highgate to Calabasas (California) | 5,445.66 mi (8,763.94 km) |
| Highgate to Caldwell (Idaho) | 4,845.45 mi (7,798.00 km) |
| Highgate to Caledonia (Wisconsin) | 3,911.52 mi (6,294.99 km) |
| Highgate to Calera (Alabama) | 4,330.73 mi (6,969.63 km) |
| Highgate to Calexico (California) | 5,425.01 mi (8,730.71 km) |
| Highgate to Calhoun (Georgia) | 4,190.72 mi (6,744.31 km) |
| Highgate to California (Maryland) | 3,667.94 mi (5,902.98 km) |
| Highgate to California City (California) | 5,361.89 mi (8,629.13 km) |
| Highgate to Callaway (Florida) | 4,431.15 mi (7,131.24 km) |
| Highgate to Calumet City (Illinois) | 3,954.15 mi (6,363.59 km) |
| Highgate to Calverton (Maryland) | 3,652.14 mi (5,877.56 km) |
| Highgate to Camano (Washington) | 4,750.81 mi (7,645.69 km) |
| Highgate to Camarillo (California) | 5,452.28 mi (8,774.60 km) |
