| McDonough to Cordele (Georgia) | 104.86 mi (168.76 km) |
| McDonough to Corinth (Mississippi) | 270.24 mi (434.91 km) |
| McDonough to Corinth (Texas) | 745.85 mi (1,200.34 km) |
| McDonough to Cornelius (North Carolina) | 233.24 mi (375.37 km) |
| McDonough to Cornelius (Oregon) | 2,209.87 mi (3,556.44 km) |
| McDonough to Corning (New York) | 714.91 mi (1,150.54 km) |
| McDonough to Corona (California) | 1,913.50 mi (3,079.49 km) |
| McDonough to Coronado (California) | 1,904.35 mi (3,064.76 km) |
| McDonough to Corpus Christi (Texas) | 879.23 mi (1,414.99 km) |
| McDonough to Corsicana (Texas) | 721.28 mi (1,160.78 km) |
| McDonough to Cortland (New York) | 766.59 mi (1,233.71 km) |
| McDonough to Corvallis (Oregon) | 2,212.25 mi (3,560.28 km) |
| McDonough to Coshocton (Ohio) | 488.20 mi (785.68 km) |
| McDonough to Costa Mesa (California) | 1,935.36 mi (3,114.66 km) |
| McDonough to Coto de Caza (California) | 1,917.53 mi (3,085.96 km) |
