| McDonough to Cadillac (Michigan) | 749.94 mi (1,206.92 km) |
| McDonough to Caguas (Puerto Rico) | 1,535.55 mi (2,471.22 km) |
| McDonough to Cahokia (Illinois) | 488.60 mi (786.33 km) |
| McDonough to Calabasas (California) | 1,973.22 mi (3,175.59 km) |
| McDonough to Caldwell (Idaho) | 1,878.08 mi (3,022.48 km) |
| McDonough to Caledonia (Wisconsin) | 677.41 mi (1,090.19 km) |
| McDonough to Calera (Alabama) | 151.41 mi (243.68 km) |
| McDonough to Calexico (California) | 1,808.84 mi (2,911.04 km) |
| McDonough to Calhoun (Georgia) | 85.53 mi (137.65 km) |
| McDonough to California (Maryland) | 544.05 mi (875.56 km) |
| McDonough to California City (California) | 1,919.26 mi (3,088.76 km) |
| McDonough to Callaway (Florida) | 242.81 mi (390.76 km) |
| McDonough to Calumet City (Illinois) | 594.54 mi (956.83 km) |
| McDonough to Calverton (Maryland) | 557.94 mi (897.92 km) |
| McDonough to Camano (Washington) | 2,217.32 mi (3,568.43 km) |
