| McDonough to Candler-McAfee (Georgia) | 21.03 mi (33.85 km) |
| McDonough to Caño Martin Peña (Puerto Rico) | 1,525.03 mi (2,454.30 km) |
| McDonough to Cañon City (Colorado) | 1,225.14 mi (1,971.66 km) |
| McDonough to Canóvanas (Puerto Rico) | 1,534.89 mi (2,470.17 km) |
| McDonough to Canton (Georgia) | 59.06 mi (95.05 km) |
| McDonough to Canton (Illinois) | 589.48 mi (948.68 km) |
| McDonough to Canton (Mississippi) | 345.61 mi (556.20 km) |
| McDonough to Canton (Ohio) | 531.59 mi (855.50 km) |
| McDonough to Canyon (Texas) | 1,019.49 mi (1,640.71 km) |
| McDonough to Canyon Lake (California) | 1,898.13 mi (3,054.74 km) |
| McDonough to Canyon Lake (Texas) | 864.80 mi (1,391.76 km) |
| McDonough to Cape Coral (Florida) | 486.84 mi (783.50 km) |
| McDonough to Cape Girardeau (Missouri) | 405.33 mi (652.32 km) |
| McDonough to Carbondale (Illinois) | 410.74 mi (661.02 km) |
| McDonough to Carlisle (Pennsylvania) | 604.40 mi (972.69 km) |
