| Ankeny to Sestu | 5,034.34 mi (8,101.98 km) |
| Ankeny to Settimo Torinese | 4,726.70 mi (7,606.89 km) |
| Ankeny to Seveso | 4,756.94 mi (7,655.55 km) |
| Ankeny to Sezze | 5,092.01 mi (8,194.80 km) |
| Ankeny to Siano | 5,187.06 mi (8,347.77 km) |
| Ankeny to Siena | 4,942.67 mi (7,954.46 km) |
| Ankeny to Signa | 4,913.02 mi (7,906.75 km) |
| Ankeny to Silea | 4,874.08 mi (7,844.07 km) |
| Ankeny to Silvi Paese | 5,083.50 mi (8,181.11 km) |
| Ankeny to Sinalunga | 4,962.58 mi (7,986.51 km) |
| Ankeny to Siniscola | 5,001.69 mi (8,049.44 km) |
| Ankeny to Sinnai | 5,038.72 mi (8,109.04 km) |
| Ankeny to Siracusa | 5,387.23 mi (8,669.90 km) |
| Ankeny to Solaro | 4,756.14 mi (7,654.27 km) |
| Ankeny to Soliera | 4,863.89 mi (7,827.67 km) |
