| McDonough to Romeoville (Illinois) | 605.78 mi (974.91 km) |
| McDonough to Romulus (Michigan) | 608.42 mi (979.15 km) |
| McDonough to Ronkonkoma (New York) | 791.24 mi (1,273.38 km) |
| McDonough to Roosevelt (New York) | 766.88 mi (1,234.18 km) |
| McDonough to Rosamond (California) | 1,940.89 mi (3,123.56 km) |
| McDonough to Rosaryville (Maryland) | 549.78 mi (884.79 km) |
| McDonough to Roscoe (Illinois) | 674.64 mi (1,085.73 km) |
| McDonough to Rose Hill (Virginia) | 539.12 mi (867.63 km) |
| McDonough to Roseburg (Oregon) | 2,206.88 mi (3,551.62 km) |
| McDonough to Rosedale (California) | 1,992.28 mi (3,206.27 km) |
| McDonough to Rosedale (Maryland) | 587.90 mi (946.14 km) |
| McDonough to Roselle (Illinois) | 627.93 mi (1,010.56 km) |
| McDonough to Roselle (New Jersey) | 737.93 mi (1,187.58 km) |
| McDonough to Roselle Park (New Jersey) | 738.21 mi (1,188.03 km) |
| McDonough to Rosemead (California) | 1,940.71 mi (3,123.28 km) |
