| Boise to Reidsville (North Carolina) | 1,982.50 mi (3,190.52 km) |
| Boise to Reisterstown (Maryland) | 2,039.47 mi (3,282.21 km) |
| Boise to Rendon (Texas) | 1,278.22 mi (2,057.10 km) |
| Boise to Reno (Nevada) | 336.51 mi (541.57 km) |
| Boise to Renton (Washington) | 393.50 mi (633.27 km) |
| Boise to Republic (Missouri) | 1,274.65 mi (2,051.35 km) |
| Boise to Reston (Virginia) | 2,025.70 mi (3,260.06 km) |
| Boise to Revere (Massachusetts) | 2,257.92 mi (3,633.77 km) |
| Boise to Rexburg (Idaho) | 222.19 mi (357.59 km) |
| Boise to Reynoldsburg (Ohio) | 1,729.15 mi (2,782.80 km) |
| Boise to Rialto (California) | 658.15 mi (1,059.19 km) |
| Boise to Richardson (Texas) | 1,283.26 mi (2,065.21 km) |
| Boise to Richfield (Minnesota) | 1,135.57 mi (1,827.52 km) |
| Boise to Richfield (Wisconsin) | 1,398.22 mi (2,250.22 km) |
| Boise to Richland (Washington) | 238.24 mi (383.41 km) |
