| Iowa City to Os | 3,999.25 mi (6,436.17 km) |
| Iowa City to Oslo | 4,166.09 mi (6,704.67 km) |
| Iowa City to Porsgrunn | 4,165.44 mi (6,703.62 km) |
| Iowa City to Randaberg | 4,044.89 mi (6,509.63 km) |
| Iowa City to Ringsaker | 4,126.59 mi (6,641.11 km) |
| Iowa City to Royken | 4,163.75 mi (6,700.91 km) |
| Iowa City to Rygge | 4,185.61 mi (6,736.08 km) |
| Iowa City to Sand | 4,180.10 mi (6,727.22 km) |
| Iowa City to Sande | 4,162.46 mi (6,698.83 km) |
| Iowa City to Sandefjord | 4,180.01 mi (6,727.07 km) |
| Iowa City to Sandnes | 4,053.77 mi (6,523.92 km) |
| Iowa City to Sandvika | 4,160.73 mi (6,696.05 km) |
| Iowa City to Sarpsborg | 4,200.68 mi (6,760.35 km) |
| Iowa City to Sem | 4,177.75 mi (6,723.44 km) |
| Iowa City to Ski | 4,177.04 mi (6,722.30 km) |
