| Boise to Rockville (Maryland) | 2,031.80 mi (3,269.87 km) |
| Boise to Rockville Centre (New York) | 2,167.85 mi (3,488.82 km) |
| Boise to Rockwall (Texas) | 1,297.71 mi (2,088.46 km) |
| Boise to Rocky Mount (North Carolina) | 2,087.25 mi (3,359.10 km) |
| Boise to Rocky Point (New York) | 2,196.15 mi (3,534.36 km) |
| Boise to Rocky River (Ohio) | 1,743.93 mi (2,806.58 km) |
| Boise to Roessleville (New York) | 2,116.45 mi (3,406.10 km) |
| Boise to Rogers (Arkansas) | 1,267.93 mi (2,040.53 km) |
| Boise to Rogers (Minnesota) | 1,120.02 mi (1,802.49 km) |
| Boise to Rohnert Park (California) | 495.14 mi (796.85 km) |
| Boise to Rolla (Missouri) | 1,333.05 mi (2,145.33 km) |
| Boise to Rolling Meadows (Illinois) | 1,426.04 mi (2,294.99 km) |
| Boise to Roma (Texas) | 1,529.63 mi (2,461.71 km) |
| Boise to Rome (Georgia) | 1,776.06 mi (2,858.29 km) |
| Boise to Rome (New York) | 2,024.07 mi (3,257.43 km) |
