| McDonough to Clemson (South Carolina) | 115.12 mi (185.27 km) |
| McDonough to Clermont (Florida) | 368.30 mi (592.72 km) |
| McDonough to Cleveland (Mississippi) | 379.11 mi (610.12 km) |
| McDonough to Cleveland (Ohio) | 571.49 mi (919.73 km) |
| McDonough to Cleveland (Tennessee) | 127.18 mi (204.68 km) |
| McDonough to Cleveland Heights (Ohio) | 575.37 mi (925.97 km) |
| McDonough to Cliffside Park (New Jersey) | 756.37 mi (1,217.25 km) |
| McDonough to Clifton (Colorado) | 1,404.46 mi (2,260.26 km) |
| McDonough to Clifton (New Jersey) | 751.32 mi (1,209.13 km) |
| McDonough to Clinton (Iowa) | 669.03 mi (1,076.70 km) |
| McDonough to Clinton (Maryland) | 545.72 mi (878.25 km) |
| McDonough to Clinton (Mississippi) | 366.79 mi (590.28 km) |
| McDonough to Clinton (Utah) | 1,615.74 mi (2,600.28 km) |
| McDonough to Clive (Iowa) | 772.62 mi (1,243.41 km) |
| McDonough to Cloquet (Minnesota) | 1,016.77 mi (1,636.33 km) |
