| Iowa City to Sacile | 4,794.65 mi (7,716.25 km) |
| Iowa City to Sala Consilina | 5,164.09 mi (8,310.81 km) |
| Iowa City to Salemi | 5,171.27 mi (8,322.35 km) |
| Iowa City to Salerno | 5,118.34 mi (8,237.17 km) |
| Iowa City to Salo | 4,736.62 mi (7,622.86 km) |
| Iowa City to Salsomaggiore Terme | 4,749.04 mi (7,642.85 km) |
| Iowa City to Saluzzo | 4,659.37 mi (7,498.54 km) |
| Iowa City to Salzano | 4,799.26 mi (7,723.66 km) |
| Iowa City to Samarate | 4,669.08 mi (7,514.16 km) |
| Iowa City to San Benedetto del Tronto | 4,980.95 mi (8,016.07 km) |
| Iowa City to San Biagio di Callalta | 4,802.48 mi (7,728.84 km) |
| Iowa City to San Bonifacio | 4,773.65 mi (7,682.44 km) |
| Iowa City to San Casciano in Val di Pesa | 4,845.67 mi (7,798.35 km) |
| Iowa City to San Cataldo | 5,234.91 mi (8,424.78 km) |
| Iowa City to San Cesareo | 4,990.03 mi (8,030.68 km) |
