| Silver Spring to Ridgefield Park (New Jersey) | 204.04 mi (328.37 km) |
| Silver Spring to Ridgeland (Mississippi) | 864.10 mi (1,390.63 km) |
| Silver Spring to Ridgewood (New Jersey) | 205.88 mi (331.34 km) |
| Silver Spring to Rifle (Colorado) | 1,637.31 mi (2,634.99 km) |
| Silver Spring to Rincon (Georgia) | 520.23 mi (837.23 km) |
| Silver Spring to Ringwood (New Jersey) | 205.44 mi (330.62 km) |
| Silver Spring to Río Grande (Puerto Rico) | 1,574.82 mi (2,534.43 km) |
| Silver Spring to Rio Grande City (Texas) | 1,532.07 mi (2,465.63 km) |
| Silver Spring to Rio Linda (California) | 2,366.15 mi (3,807.96 km) |
| Silver Spring to Rio Rancho (New Mexico) | 1,647.06 mi (2,650.69 km) |
| Silver Spring to Rio Rico (Arizona) | 1,973.01 mi (3,175.26 km) |
| Silver Spring to Ripon (California) | 2,367.34 mi (3,809.87 km) |
| Silver Spring to River Edge (New Jersey) | 206.40 mi (332.17 km) |
| Silver Spring to River Falls (Wisconsin) | 896.35 mi (1,442.53 km) |
| Silver Spring to River Forest (Illinois) | 601.41 mi (967.87 km) |
