| Mountain House to Romeoville (Illinois) | 1,786.50 mi (2,875.10 km) |
| Mountain House to Romulus (Michigan) | 2,026.99 mi (3,262.13 km) |
| Mountain House to Ronkonkoma (New York) | 2,564.97 mi (4,127.91 km) |
| Mountain House to Roosevelt (New York) | 2,543.13 mi (4,092.77 km) |
| Mountain House to Rosamond (California) | 272.99 mi (439.34 km) |
| Mountain House to Rosaryville (Maryland) | 2,402.29 mi (3,866.12 km) |
| Mountain House to Roscoe (Illinois) | 1,738.48 mi (2,797.82 km) |
| Mountain House to Rose Hill (Virginia) | 2,387.18 mi (3,841.79 km) |
| Mountain House to Roseburg (Oregon) | 388.71 mi (625.56 km) |
| Mountain House to Rosedale (California) | 209.40 mi (337.00 km) |
| Mountain House to Rosedale (Maryland) | 2,410.66 mi (3,879.58 km) |
| Mountain House to Roselle (Illinois) | 1,786.27 mi (2,874.73 km) |
| Mountain House to Roselle (New Jersey) | 2,508.75 mi (4,037.44 km) |
| Mountain House to Roselle Park (New Jersey) | 2,508.24 mi (4,036.62 km) |
| Mountain House to Rosemead (California) | 320.62 mi (516.00 km) |
