| Irondale to Robertsville (New Jersey) | 827.47 mi (1,331.69 km) |
| Irondale to Robinson (Texas) | 626.15 mi (1,007.68 km) |
| Irondale to Robstown (Texas) | 764.70 mi (1,230.67 km) |
| Irondale to Rochester (Michigan) | 660.20 mi (1,062.49 km) |
| Irondale to Rochester (Minnesota) | 787.92 mi (1,268.03 km) |
| Irondale to Rochester (New Hampshire) | 1,080.80 mi (1,739.38 km) |
| Irondale to Rochester (New York) | 824.92 mi (1,327.57 km) |
| Irondale to Rochester Hills (Michigan) | 658.17 mi (1,059.23 km) |
| Irondale to Rock Hill (South Carolina) | 336.05 mi (540.82 km) |
| Irondale to Rock Island (Illinois) | 588.14 mi (946.51 km) |
| Irondale to Rock Springs (Wyoming) | 1,349.64 mi (2,172.03 km) |
| Irondale to Rockford (Illinois) | 616.21 mi (991.70 km) |
| Irondale to Rockledge (Florida) | 503.34 mi (810.04 km) |
| Irondale to Rocklin (California) | 1,951.06 mi (3,139.93 km) |
| Irondale to Rockport (Texas) | 725.42 mi (1,167.45 km) |
