| McDonough to Ridgeland (Mississippi) | 354.77 mi (570.94 km) |
| McDonough to Ridgewood (New Jersey) | 758.40 mi (1,220.53 km) |
| McDonough to Rifle (Colorado) | 1,373.44 mi (2,210.34 km) |
| McDonough to Rincon (Georgia) | 186.75 mi (300.55 km) |
| McDonough to Ringwood (New Jersey) | 757.60 mi (1,219.24 km) |
| McDonough to Río Grande (Puerto Rico) | 1,537.23 mi (2,473.93 km) |
| McDonough to Rio Grande City (Texas) | 1,003.45 mi (1,614.89 km) |
| McDonough to Rio Linda (California) | 2,099.37 mi (3,378.62 km) |
| McDonough to Rio Rancho (New Mexico) | 1,289.53 mi (2,075.30 km) |
| McDonough to Rio Rico (Arizona) | 1,565.90 mi (2,520.08 km) |
| McDonough to Ripon (California) | 2,085.30 mi (3,355.97 km) |
| McDonough to River Edge (New Jersey) | 758.91 mi (1,221.35 km) |
| McDonough to River Falls (Wisconsin) | 909.23 mi (1,463.26 km) |
| McDonough to River Forest (Illinois) | 617.54 mi (993.83 km) |
| McDonough to River Grove (Illinois) | 619.76 mi (997.41 km) |
