| Boise to Ridgeland (Mississippi) | 1,606.52 mi (2,585.44 km) |
| Boise to Ridgewood (New Jersey) | 2,137.16 mi (3,439.42 km) |
| Boise to Rifle (Colorado) | 519.22 mi (835.61 km) |
| Boise to Rincon (Georgia) | 2,041.78 mi (3,285.92 km) |
| Boise to Ringwood (New Jersey) | 2,126.37 mi (3,422.06 km) |
| Boise to Río Grande (Puerto Rico) | 3,388.15 mi (5,452.69 km) |
| Boise to Rio Grande City (Texas) | 1,538.18 mi (2,475.47 km) |
| Boise to Rio Linda (California) | 434.25 mi (698.85 km) |
| Boise to Rio Rancho (New Mexico) | 766.16 mi (1,233.02 km) |
| Boise to Rio Rico (Arizona) | 883.79 mi (1,422.33 km) |
| Boise to Ripon (California) | 479.17 mi (771.16 km) |
| Boise to River Edge (New Jersey) | 2,142.06 mi (3,447.31 km) |
| Boise to River Falls (Wisconsin) | 1,167.80 mi (1,879.39 km) |
| Boise to River Forest (Illinois) | 1,439.31 mi (2,316.35 km) |
| Boise to River Grove (Illinois) | 1,437.89 mi (2,314.06 km) |
