| Irondale to Smyrna (Delaware) | 730.87 mi (1,176.23 km) |
| Irondale to Smyrna (Georgia) | 125.18 mi (201.46 km) |
| Irondale to Smyrna (Tennessee) | 167.71 mi (269.90 km) |
| Irondale to Snellville (Georgia) | 154.23 mi (248.21 km) |
| Irondale to Snoqualmie (Washington) | 2,060.59 mi (3,316.21 km) |
| Irondale to Snyder (Texas) | 825.93 mi (1,329.21 km) |
| Irondale to Socastee (South Carolina) | 440.30 mi (708.59 km) |
| Irondale to Socorro (Texas) | 1,146.80 mi (1,845.59 km) |
| Irondale to Soddy-Daisy (Tennessee) | 145.58 mi (234.29 km) |
| Irondale to Solana Beach (California) | 1,761.50 mi (2,834.87 km) |
| Irondale to Soledad (California) | 1,962.72 mi (3,158.70 km) |
| Irondale to Solon (Ohio) | 612.55 mi (985.81 km) |
| Irondale to Somers Point (New Jersey) | 778.80 mi (1,253.36 km) |
| Irondale to Somerset (Kentucky) | 270.46 mi (435.27 km) |
| Irondale to Somerset (New Jersey) | 824.21 mi (1,326.44 km) |
