| McDonough to Rockville (Maryland) | 550.95 mi (886.67 km) |
| McDonough to Rockville Centre (New York) | 763.96 mi (1,229.48 km) |
| McDonough to Rockwall (Texas) | 711.04 mi (1,144.32 km) |
| McDonough to Rocky Mount (North Carolina) | 400.49 mi (644.52 km) |
| McDonough to Rocky Point (New York) | 804.57 mi (1,294.83 km) |
| McDonough to Rocky River (Ohio) | 568.93 mi (915.60 km) |
| McDonough to Roessleville (New York) | 850.90 mi (1,369.38 km) |
| McDonough to Rogers (Arkansas) | 600.45 mi (966.33 km) |
| McDonough to Rogers (Minnesota) | 953.84 mi (1,535.06 km) |
| McDonough to Rohnert Park (California) | 2,168.12 mi (3,489.25 km) |
| McDonough to Rolla (Missouri) | 528.18 mi (850.02 km) |
| McDonough to Rolling Meadows (Illinois) | 632.86 mi (1,018.49 km) |
| McDonough to Roma (Texas) | 1,011.77 mi (1,628.29 km) |
| McDonough to Rome (Georgia) | 82.42 mi (132.64 km) |
| McDonough to Rome (New York) | 822.05 mi (1,322.97 km) |
