| McDonough to Robertsville (New Jersey) | 722.99 mi (1,163.54 km) |
| McDonough to Robinson (Texas) | 768.09 mi (1,236.12 km) |
| McDonough to Robstown (Texas) | 892.45 mi (1,436.26 km) |
| McDonough to Rochester (Michigan) | 641.34 mi (1,032.14 km) |
| McDonough to Rochester (Minnesota) | 856.50 mi (1,378.41 km) |
| McDonough to Rochester (New Hampshire) | 984.22 mi (1,583.94 km) |
| McDonough to Rochester (New York) | 759.21 mi (1,221.83 km) |
| McDonough to Rochester Hills (Michigan) | 639.65 mi (1,029.42 km) |
| McDonough to Rock Hill (South Carolina) | 206.61 mi (332.50 km) |
| McDonough to Rock Island (Illinois) | 657.03 mi (1,057.39 km) |
| McDonough to Rock Springs (Wyoming) | 1,478.19 mi (2,378.91 km) |
| McDonough to Rockford (Illinois) | 665.44 mi (1,070.92 km) |
| McDonough to Rockledge (Florida) | 407.49 mi (655.80 km) |
| McDonough to Rocklin (California) | 2,088.76 mi (3,361.54 km) |
| McDonough to Rockport (Texas) | 852.71 mi (1,372.30 km) |
