| Irondale to Romeoville (Illinois) | 564.32 mi (908.19 km) |
| Irondale to Romulus (Michigan) | 625.91 mi (1,007.30 km) |
| Irondale to Ronkonkoma (New York) | 896.64 mi (1,443.01 km) |
| Irondale to Roosevelt (New York) | 871.55 mi (1,402.62 km) |
| Irondale to Rosamond (California) | 1,798.00 mi (2,893.61 km) |
| Irondale to Rosaryville (Maryland) | 656.06 mi (1,055.83 km) |
| Irondale to Roscoe (Illinois) | 626.77 mi (1,008.69 km) |
| Irondale to Rose Hill (Virginia) | 643.73 mi (1,035.99 km) |
| Irondale to Roseburg (Oregon) | 2,077.51 mi (3,343.43 km) |
| Irondale to Rosedale (California) | 1,849.98 mi (2,977.25 km) |
| Irondale to Rosedale (Maryland) | 690.73 mi (1,111.62 km) |
| Irondale to Roselle (Illinois) | 588.09 mi (946.44 km) |
| Irondale to Roselle (New Jersey) | 840.22 mi (1,352.21 km) |
| Irondale to Roselle Park (New Jersey) | 840.38 mi (1,352.47 km) |
| Irondale to Rosemead (California) | 1,797.17 mi (2,892.27 km) |
