| Box Elder to Romeoville (Illinois) | 776.57 mi (1,249.77 km) |
| Box Elder to Romulus (Michigan) | 999.63 mi (1,608.74 km) |
| Box Elder to Ronkonkoma (New York) | 1,535.40 mi (2,471.00 km) |
| Box Elder to Roosevelt (New York) | 1,515.38 mi (2,438.78 km) |
| Box Elder to Rosamond (California) | 1,026.40 mi (1,651.83 km) |
| Box Elder to Rosaryville (Maryland) | 1,402.49 mi (2,257.08 km) |
| Box Elder to Roscoe (Illinois) | 716.64 mi (1,153.32 km) |
| Box Elder to Rose Hill (Virginia) | 1,388.03 mi (2,233.82 km) |
| Box Elder to Roseburg (Oregon) | 1,012.38 mi (1,629.27 km) |
| Box Elder to Rosedale (California) | 1,044.31 mi (1,680.65 km) |
| Box Elder to Rosedale (Maryland) | 1,403.11 mi (2,258.09 km) |
| Box Elder to Roselle (Illinois) | 770.22 mi (1,239.55 km) |
| Box Elder to Roselle (New Jersey) | 1,482.45 mi (2,385.77 km) |
| Box Elder to Roselle Park (New Jersey) | 1,481.84 mi (2,384.78 km) |
| Box Elder to Rosemead (California) | 1,059.34 mi (1,704.84 km) |
