| Bettendorf to Smyrna (Delaware) | 796.51 mi (1,281.87 km) |
| Bettendorf to Smyrna (Georgia) | 623.57 mi (1,003.55 km) |
| Bettendorf to Smyrna (Tennessee) | 441.27 mi (710.16 km) |
| Bettendorf to Snellville (Georgia) | 639.01 mi (1,028.39 km) |
| Bettendorf to Snoqualmie (Washington) | 1,586.50 mi (2,553.23 km) |
| Bettendorf to Snyder (Texas) | 838.05 mi (1,348.71 km) |
| Bettendorf to Socastee (South Carolina) | 829.41 mi (1,334.81 km) |
| Bettendorf to Socorro (Texas) | 1,109.11 mi (1,784.94 km) |
| Bettendorf to Soddy-Daisy (Tennessee) | 521.67 mi (839.55 km) |
| Bettendorf to Solana Beach (California) | 1,578.83 mi (2,540.89 km) |
| Bettendorf to Soledad (California) | 1,685.14 mi (2,711.97 km) |
| Bettendorf to Solon (Ohio) | 467.74 mi (752.76 km) |
| Bettendorf to Somers Point (New Jersey) | 847.59 mi (1,364.06 km) |
| Bettendorf to Somerset (Kentucky) | 440.47 mi (708.87 km) |
| Bettendorf to Somerset (New Jersey) | 834.58 mi (1,343.12 km) |
