| San Ramon to Rome (New York) | 2,437.67 mi (3,923.04 km) |
| San Ramon to Romeoville (Illinois) | 1,806.82 mi (2,907.79 km) |
| San Ramon to Romulus (Michigan) | 2,047.09 mi (3,294.48 km) |
| San Ramon to Ronkonkoma (New York) | 2,585.14 mi (4,160.39 km) |
| San Ramon to Roosevelt (New York) | 2,563.34 mi (4,125.30 km) |
| San Ramon to Rosamond (California) | 288.00 mi (463.49 km) |
| San Ramon to Rosaryville (Maryland) | 2,422.96 mi (3,899.37 km) |
| San Ramon to Roscoe (Illinois) | 1,758.58 mi (2,830.16 km) |
| San Ramon to Rose Hill (Virginia) | 2,407.85 mi (3,875.05 km) |
| San Ramon to Roseburg (Oregon) | 384.54 mi (618.86 km) |
| San Ramon to Rosedale (California) | 223.27 mi (359.31 km) |
| San Ramon to Rosedale (Maryland) | 2,431.22 mi (3,912.67 km) |
| San Ramon to Roselle (Illinois) | 1,806.49 mi (2,907.26 km) |
| San Ramon to Roselle (New Jersey) | 2,528.99 mi (4,070.02 km) |
| San Ramon to Roselle Park (New Jersey) | 2,528.48 mi (4,069.19 km) |
