| Iowa City to Selargius | 4,957.14 mi (7,977.75 km) |
| Iowa City to Selvazzano Dentro | 4,793.26 mi (7,714.00 km) |
| Iowa City to Senago | 4,683.92 mi (7,538.04 km) |
| Iowa City to Senigallia | 4,921.29 mi (7,920.05 km) |
| Iowa City to Seravezza | 4,793.83 mi (7,714.93 km) |
| Iowa City to Seregno | 4,683.67 mi (7,537.64 km) |
| Iowa City to Seriate | 4,701.99 mi (7,567.13 km) |
| Iowa City to Sermoneta | 5,009.21 mi (8,061.54 km) |
| Iowa City to Serramanna | 4,939.86 mi (7,949.94 km) |
| Iowa City to Serravalle Pistoiese | 4,821.43 mi (7,759.34 km) |
| Iowa City to Sessa Aurunca | 5,060.74 mi (8,144.47 km) |
| Iowa City to Sesto Calende | 4,658.44 mi (7,497.04 km) |
| Iowa City to Sesto Fiorentino | 4,838.52 mi (7,786.84 km) |
| Iowa City to Sesto San Giovanni | 4,689.86 mi (7,547.60 km) |
| Iowa City to Sestri Levante | 4,749.45 mi (7,643.49 km) |
