| Harrison to Carrollwood (Florida) | 1,024.89 mi (1,649.39 km) |
| Harrison to Carson (California) | 2,466.03 mi (3,968.70 km) |
| Harrison to Carson City (Nevada) | 2,408.14 mi (3,875.53 km) |
| Harrison to Carteret (New Jersey) | 40.34 mi (64.93 km) |
| Harrison to Cartersville (Georgia) | 768.77 mi (1,237.22 km) |
| Harrison to Carthage (Missouri) | 1,133.96 mi (1,824.93 km) |
| Harrison to Cary (Illinois) | 754.08 mi (1,213.58 km) |
| Harrison to Cary (North Carolina) | 455.25 mi (732.65 km) |
| Harrison to Casa de Oro-Mount Helix (California) | 2,430.98 mi (3,912.28 km) |
| Harrison to Casa Grande (Arizona) | 2,155.31 mi (3,468.64 km) |
| Harrison to Casas Adobes (Arizona) | 2,133.70 mi (3,433.85 km) |
| Harrison to Cascades (Virginia) | 237.28 mi (381.86 km) |
| Harrison to Casper (Wyoming) | 1,669.97 mi (2,687.55 km) |
| Harrison to Casselberry (Florida) | 955.74 mi (1,538.11 km) |
| Harrison to Castaic (California) | 2,467.10 mi (3,970.41 km) |
