| McDonough to Clarksdale (Mississippi) | 372.06 mi (598.78 km) |
| McDonough to Clarkston (Georgia) | 26.22 mi (42.19 km) |
| McDonough to Clarksville (Indiana) | 349.25 mi (562.06 km) |
| McDonough to Clarksville (Tennessee) | 281.68 mi (453.31 km) |
| McDonough to Clawson (Michigan) | 630.88 mi (1,015.31 km) |
| McDonough to Clay (Alabama) | 142.63 mi (229.54 km) |
| McDonough to Clayton (California) | 2,128.07 mi (3,424.80 km) |
| McDonough to Clayton (Missouri) | 498.26 mi (801.88 km) |
| McDonough to Clayton (North Carolina) | 358.74 mi (577.34 km) |
| McDonough to Clayton (Ohio) | 444.32 mi (715.07 km) |
| McDonough to Clearfield (Utah) | 1,613.15 mi (2,596.12 km) |
| McDonough to Clearlake (California) | 2,162.87 mi (3,480.80 km) |
| McDonough to Clearwater (Florida) | 386.19 mi (621.51 km) |
| McDonough to Cleburne (Texas) | 772.62 mi (1,243.41 km) |
| McDonough to Clemmons (North Carolina) | 278.82 mi (448.72 km) |
