| Iowa City to Sangeorgiu de Mures | 5,188.23 mi (8,349.65 km) |
| Iowa City to Sangeorz-Bai | 5,154.49 mi (8,295.35 km) |
| Iowa City to Sannicolau Mare | 5,081.62 mi (8,178.07 km) |
| Iowa City to Santana | 5,098.37 mi (8,205.03 km) |
| Iowa City to Satu Mare | 5,075.23 mi (8,167.79 km) |
| Iowa City to Scobinti | 5,226.22 mi (8,410.79 km) |
| Iowa City to Scornicesti | 5,289.72 mi (8,512.98 km) |
| Iowa City to Sebes | 5,187.55 mi (8,348.56 km) |
| Iowa City to Seini | 5,090.29 mi (8,192.03 km) |
| Iowa City to Sfantu-Gheorghe | 5,266.12 mi (8,475.00 km) |
| Iowa City to Sibiu | 5,215.36 mi (8,393.31 km) |
| Iowa City to Sighetu Marmatiei | 5,101.27 mi (8,209.70 km) |
| Iowa City to Sighisoara | 5,215.53 mi (8,393.59 km) |
| Iowa City to Simeria | 5,174.06 mi (8,326.84 km) |
| Iowa City to Sinaia | 5,284.20 mi (8,504.11 km) |
