| San Ramon to Rockport (Texas) | 1,584.93 mi (2,550.70 km) |
| San Ramon to Rockville (Maryland) | 2,400.95 mi (3,863.95 km) |
| San Ramon to Rockville Centre (New York) | 2,560.76 mi (4,121.14 km) |
| San Ramon to Rockwall (Texas) | 1,470.70 mi (2,366.86 km) |
| San Ramon to Rocky Mount (North Carolina) | 2,419.96 mi (3,894.55 km) |
| San Ramon to Rocky Point (New York) | 2,592.93 mi (4,172.91 km) |
| San Ramon to Rocky River (Ohio) | 2,129.61 mi (3,427.28 km) |
| San Ramon to Roessleville (New York) | 2,527.64 mi (4,067.84 km) |
| San Ramon to Rogers (Arkansas) | 1,529.93 mi (2,462.18 km) |
| San Ramon to Rogers (Minnesota) | 1,545.55 mi (2,487.32 km) |
| San Ramon to Rohnert Park (California) | 57.85 mi (93.09 km) |
| San Ramon to Rolla (Missouri) | 1,638.99 mi (2,637.70 km) |
| San Ramon to Rolling Meadows (Illinois) | 1,809.38 mi (2,911.92 km) |
| San Ramon to Roma (Texas) | 1,548.06 mi (2,491.37 km) |
| San Ramon to Rome (Georgia) | 2,054.81 mi (3,306.90 km) |
