| McDonough to Cloverleaf (Texas) | 695.40 mi (1,119.13 km) |
| McDonough to Cloverly (Maryland) | 558.17 mi (898.29 km) |
| McDonough to Clovis (California) | 2,009.80 mi (3,234.46 km) |
| McDonough to Clovis (New Mexico) | 1,092.09 mi (1,757.55 km) |
| McDonough to Clute (Texas) | 730.54 mi (1,175.69 km) |
| McDonough to Coachella (California) | 1,834.50 mi (2,952.35 km) |
| McDonough to Coalinga (California) | 2,049.24 mi (3,297.94 km) |
| McDonough to Coamo (Puerto Rico) | 1,528.87 mi (2,460.48 km) |
| McDonough to Coatesville (Pennsylvania) | 645.49 mi (1,038.82 km) |
| McDonough to Cockeysville (Maryland) | 590.22 mi (949.87 km) |
| McDonough to Cocoa (Florida) | 402.84 mi (648.30 km) |
| McDonough to Cocoa Beach (Florida) | 409.98 mi (659.80 km) |
| McDonough to Coconut Creek (Florida) | 548.66 mi (882.98 km) |
| McDonough to Coeur d'Alene (Idaho) | 1,955.41 mi (3,146.93 km) |
| McDonough to Cohoes (New York) | 857.81 mi (1,380.51 km) |
