| Boise to Roy (Utah) | 271.46 mi (436.87 km) |
| Boise to Royal Kunia (Hawaii) | 2,835.35 mi (4,563.06 km) |
| Boise to Royal Oak (Michigan) | 1,660.59 mi (2,672.46 km) |
| Boise to Royal Palm Beach (Florida) | 2,319.30 mi (3,732.55 km) |
| Boise to Royse City (Texas) | 1,300.37 mi (2,092.74 km) |
| Boise to Ruskin (Florida) | 2,171.08 mi (3,494.01 km) |
| Boise to Russellville (Alabama) | 1,643.07 mi (2,644.26 km) |
| Boise to Russellville (Arkansas) | 1,353.80 mi (2,178.73 km) |
| Boise to Ruston (Louisiana) | 1,486.11 mi (2,391.67 km) |
| Boise to Rutherford (New Jersey) | 2,141.19 mi (3,445.91 km) |
| Boise to Rutland (Vermont) | 2,138.89 mi (3,442.20 km) |
| Boise to Sabana Grande (Puerto Rico) | 3,347.60 mi (5,387.44 km) |
| Boise to Sachse (Texas) | 1,288.95 mi (2,074.36 km) |
| Boise to Saco (Maine) | 2,261.38 mi (3,639.35 km) |
| Boise to Sacramento (California) | 441.75 mi (710.93 km) |
