| Mount Washington to Romeoville (Illinois) | 282.30 mi (454.31 km) |
| Mount Washington to Romulus (Michigan) | 311.11 mi (500.69 km) |
| Mount Washington to Ronkonkoma (New York) | 689.63 mi (1,109.86 km) |
| Mount Washington to Roosevelt (New York) | 664.34 mi (1,069.16 km) |
| Mount Washington to Rosamond (California) | 1,818.89 mi (2,927.22 km) |
| Mount Washington to Rosaryville (Maryland) | 475.05 mi (764.53 km) |
| Mount Washington to Roscoe (Illinois) | 353.29 mi (568.57 km) |
| Mount Washington to Rose Hill (Virginia) | 459.98 mi (740.27 km) |
| Mount Washington to Roseburg (Oregon) | 1,996.43 mi (3,212.95 km) |
| Mount Washington to Rosedale (California) | 1,862.60 mi (2,997.57 km) |
| Mount Washington to Rosedale (Maryland) | 495.69 mi (797.74 km) |
| Mount Washington to Roselle (Illinois) | 303.22 mi (487.99 km) |
| Mount Washington to Roselle (New Jersey) | 629.34 mi (1,012.83 km) |
| Mount Washington to Roselle Park (New Jersey) | 629.20 mi (1,012.59 km) |
| Mount Washington to Rosemead (California) | 1,828.07 mi (2,942.00 km) |
