| Iowa City to Saarijarvi | 4,431.39 mi (7,131.64 km) |
| Iowa City to Salo | 4,485.82 mi (7,219.24 km) |
| Iowa City to Sastamala | 4,436.86 mi (7,140.43 km) |
| Iowa City to Savonlinna | 4,555.63 mi (7,331.57 km) |
| Iowa City to Seinajoki | 4,369.97 mi (7,032.78 km) |
| Iowa City to Siilinjarvi | 4,469.27 mi (7,192.60 km) |
| Iowa City to Sipoo | 4,540.58 mi (7,307.36 km) |
| Iowa City to Sippola | 4,565.86 mi (7,348.04 km) |
| Iowa City to Sodankyla | 4,243.26 mi (6,828.86 km) |
| Iowa City to Somero | 4,484.47 mi (7,217.06 km) |
| Iowa City to Sotkamo | 4,434.57 mi (7,136.76 km) |
| Iowa City to Tampere | 4,450.91 mi (7,163.05 km) |
| Iowa City to Tornio | 4,263.38 mi (6,861.24 km) |
| Iowa City to Turku | 4,460.87 mi (7,179.07 km) |
| Iowa City to Tuusula | 4,532.35 mi (7,294.12 km) |
