| Bettendorf to Sinop | 5,740.48 mi (9,238.41 km) |
| Bettendorf to Siran | 5,965.64 mi (9,600.77 km) |
| Bettendorf to Sirnak | 6,218.96 mi (10,008.45 km) |
| Bettendorf to Sirvan | 6,174.65 mi (9,937.14 km) |
| Bettendorf to Sivas | 5,924.70 mi (9,534.88 km) |
| Bettendorf to Sivasli | 5,747.70 mi (9,250.03 km) |
| Bettendorf to Siverek | 6,109.26 mi (9,831.91 km) |
| Bettendorf to Sivrice | 6,069.73 mi (9,768.29 km) |
| Bettendorf to Sivrihisar | 5,760.94 mi (9,271.34 km) |
| Bettendorf to Sogut | 5,684.47 mi (9,148.27 km) |
| Bettendorf to Sogutlu | 5,648.43 mi (9,090.27 km) |
| Bettendorf to Soke | 5,704.29 mi (9,180.17 km) |
| Bettendorf to Solhan | 6,093.42 mi (9,806.40 km) |
| Bettendorf to Soma | 5,637.46 mi (9,072.62 km) |
| Bettendorf to Sorgun | 5,862.69 mi (9,435.08 km) |
