| Urbandale to Smithville (Missouri) | 160.75 mi (258.71 km) |
| Urbandale to Smyrna (Delaware) | 967.03 mi (1,556.29 km) |
| Urbandale to Smyrna (Georgia) | 737.21 mi (1,186.43 km) |
| Urbandale to Smyrna (Tennessee) | 552.84 mi (889.71 km) |
| Urbandale to Snellville (Georgia) | 756.98 mi (1,218.23 km) |
| Urbandale to Snoqualmie (Washington) | 1,430.67 mi (2,302.44 km) |
| Urbandale to Snyder (Texas) | 730.41 mi (1,175.48 km) |
| Urbandale to Socastee (South Carolina) | 974.91 mi (1,568.96 km) |
| Urbandale to Socorro (Texas) | 975.81 mi (1,570.41 km) |
| Urbandale to Soddy-Daisy (Tennessee) | 640.75 mi (1,031.18 km) |
| Urbandale to Solana Beach (California) | 1,415.48 mi (2,277.99 km) |
| Urbandale to Soledad (California) | 1,514.97 mi (2,438.11 km) |
| Urbandale to Solon (Ohio) | 638.20 mi (1,027.08 km) |
| Urbandale to Somers Point (New Jersey) | 1,018.25 mi (1,638.72 km) |
| Urbandale to Somerset (Kentucky) | 581.78 mi (936.29 km) |
