| Highland to Candler-McAfee (Georgia) | 1,877.86 mi (3,022.12 km) |
| Highland to Caño Martin Peña (Puerto Rico) | 3,309.69 mi (5,326.43 km) |
| Highland to Cañon City (Colorado) | 728.78 mi (1,172.86 km) |
| Highland to Canóvanas (Puerto Rico) | 3,320.33 mi (5,343.55 km) |
| Highland to Canton (Georgia) | 1,859.58 mi (2,992.71 km) |
| Highland to Canton (Illinois) | 1,548.26 mi (2,491.68 km) |
| Highland to Canton (Mississippi) | 1,564.84 mi (2,518.37 km) |
| Highland to Canton (Ohio) | 2,002.30 mi (3,222.39 km) |
| Highland to Canyon (Texas) | 868.88 mi (1,398.33 km) |
| Highland to Canyon Lake (California) | 29.74 mi (47.86 km) |
| Highland to Canyon Lake (Texas) | 1,143.83 mi (1,840.82 km) |
| Highland to Cape Coral (Florida) | 2,147.55 mi (3,456.15 km) |
| Highland to Cape Girardeau (Missouri) | 1,558.77 mi (2,508.59 km) |
| Highland to Carbondale (Illinois) | 1,577.28 mi (2,538.38 km) |
| Highland to Carlisle (Pennsylvania) | 2,221.18 mi (3,574.64 km) |
