| Iowa City to Samandag | 6,124.14 mi (9,855.85 km) |
| Iowa City to Samsun | 5,845.67 mi (9,407.69 km) |
| Iowa City to Sanliurfa | 6,154.44 mi (9,904.61 km) |
| Iowa City to Saray | 5,564.17 mi (8,954.67 km) |
| Iowa City to Saraykent | 5,908.58 mi (9,508.94 km) |
| Iowa City to Saraykoy | 5,782.88 mi (9,306.64 km) |
| Iowa City to Sarayonu | 5,884.93 mi (9,470.89 km) |
| Iowa City to Sarigol | 5,758.34 mi (9,267.15 km) |
| Iowa City to Sarikamis | 6,084.26 mi (9,791.66 km) |
| Iowa City to Sarikaya | 5,915.37 mi (9,519.86 km) |
| Iowa City to Sarioglan | 5,957.46 mi (9,587.61 km) |
| Iowa City to Sariveliler | 5,977.24 mi (9,619.45 km) |
| Iowa City to Sariyer | 5,617.10 mi (9,039.85 km) |
| Iowa City to Sariz | 6,007.60 mi (9,668.30 km) |
| Iowa City to Sarkikaraagac | 5,859.56 mi (9,430.05 km) |
