| Boise to Romeoville (Illinois) | 1,429.93 mi (2,301.25 km) |
| Boise to Romulus (Michigan) | 1,654.94 mi (2,663.37 km) |
| Boise to Ronkonkoma (New York) | 2,189.93 mi (3,524.36 km) |
| Boise to Roosevelt (New York) | 2,170.19 mi (3,492.58 km) |
| Boise to Rosamond (California) | 612.73 mi (986.10 km) |
| Boise to Rosaryville (Maryland) | 2,056.34 mi (3,309.36 km) |
| Boise to Roscoe (Illinois) | 1,371.53 mi (2,207.27 km) |
| Boise to Rose Hill (Virginia) | 2,041.76 mi (3,285.89 km) |
| Boise to Roseburg (Oregon) | 358.26 mi (576.57 km) |
| Boise to Rosedale (California) | 589.03 mi (947.95 km) |
| Boise to Rosedale (Maryland) | 2,057.89 mi (3,311.85 km) |
| Boise to Roselle (Illinois) | 1,424.57 mi (2,292.62 km) |
| Boise to Roselle (New Jersey) | 2,137.44 mi (3,439.88 km) |
| Boise to Roselle Park (New Jersey) | 2,136.82 mi (3,438.87 km) |
| Boise to Rosemead (California) | 666.02 mi (1,071.85 km) |
