| San Ramon to Ridgefield Park (New Jersey) | 2,538.57 mi (4,085.43 km) |
| San Ramon to Ridgeland (Mississippi) | 1,825.38 mi (2,937.66 km) |
| San Ramon to Ridgewood (New Jersey) | 2,532.12 mi (4,075.05 km) |
| San Ramon to Rifle (Colorado) | 773.20 mi (1,244.35 km) |
| San Ramon to Rincon (Georgia) | 2,315.17 mi (3,725.90 km) |
| San Ramon to Ringwood (New Jersey) | 2,522.19 mi (4,059.08 km) |
| San Ramon to Río Grande (Puerto Rico) | 3,613.47 mi (5,815.32 km) |
| San Ramon to Rio Grande City (Texas) | 1,558.76 mi (2,508.58 km) |
| San Ramon to Rio Linda (California) | 69.33 mi (111.58 km) |
| San Ramon to Rio Rancho (New Mexico) | 862.15 mi (1,387.50 km) |
| San Ramon to Rio Rico (Arizona) | 757.35 mi (1,218.83 km) |
| San Ramon to Ripon (California) | 44.03 mi (70.86 km) |
| San Ramon to River Edge (New Jersey) | 2,536.64 mi (4,082.33 km) |
| San Ramon to River Falls (Wisconsin) | 1,588.27 mi (2,556.08 km) |
| San Ramon to River Forest (Illinois) | 1,820.42 mi (2,929.68 km) |
