| Harrison to Cloverleaf (Texas) | 1,429.92 mi (2,301.23 km) |
| Harrison to Cloverly (Maryland) | 218.22 mi (351.19 km) |
| Harrison to Clovis (California) | 2,459.02 mi (3,957.41 km) |
| Harrison to Clovis (New Mexico) | 1,664.72 mi (2,679.11 km) |
| Harrison to Clute (Texas) | 1,473.80 mi (2,371.85 km) |
| Harrison to Coachella (California) | 2,360.27 mi (3,798.49 km) |
| Harrison to Coalinga (California) | 2,509.67 mi (4,038.92 km) |
| Harrison to Coamo (Puerto Rico) | 1,644.39 mi (2,646.38 km) |
| Harrison to Coatesville (Pennsylvania) | 131.64 mi (211.85 km) |
| Harrison to Cockeysville (Maryland) | 186.85 mi (300.70 km) |
| Harrison to Cocoa (Florida) | 959.97 mi (1,544.92 km) |
| Harrison to Cocoa Beach (Florida) | 959.87 mi (1,544.76 km) |
| Harrison to Coconut Creek (Florida) | 1,083.56 mi (1,743.82 km) |
| Harrison to Coeur d'Alene (Idaho) | 2,148.03 mi (3,456.93 km) |
| Harrison to Cohoes (New York) | 120.89 mi (194.55 km) |
