| Iowa City to Oskarshamn | 4,439.54 mi (7,144.76 km) |
| Iowa City to Ostersund | 4,148.83 mi (6,676.90 km) |
| Iowa City to Oxelosund | 4,399.38 mi (7,080.12 km) |
| Iowa City to Ronneby | 4,449.58 mi (7,160.91 km) |
| Iowa City to Saffle | 4,259.96 mi (6,855.75 km) |
| Iowa City to Sala | 4,332.44 mi (6,972.40 km) |
| Iowa City to Saltsjobaden | 4,405.76 mi (7,090.38 km) |
| Iowa City to Sandviken | 4,308.44 mi (6,933.77 km) |
| Iowa City to Sater | 4,291.12 mi (6,905.89 km) |
| Iowa City to Savja | 4,366.96 mi (7,027.94 km) |
| Iowa City to Sjobo | 4,424.84 mi (7,121.09 km) |
| Iowa City to Skara | 4,304.39 mi (6,927.25 km) |
| Iowa City to Skelleftea | 4,239.65 mi (6,823.05 km) |
| Iowa City to Skoghall | 4,266.57 mi (6,866.38 km) |
| Iowa City to Skovde | 4,316.67 mi (6,947.02 km) |
