| Iowa City to Roeselare | 4,245.73 mi (6,832.84 km) |
| Iowa City to Ronse | 4,270.50 mi (6,872.70 km) |
| Iowa City to Rotselaar | 4,303.77 mi (6,926.26 km) |
| Iowa City to Rumst | 4,288.08 mi (6,901.00 km) |
| Iowa City to Saint-Ghislain | 4,289.66 mi (6,903.53 km) |
| Iowa City to Saint-Nicolas | 4,345.86 mi (6,993.98 km) |
| Iowa City to Saint-Vith | 4,381.24 mi (7,050.93 km) |
| Iowa City to Scherpenheuvel | 4,311.10 mi (6,938.04 km) |
| Iowa City to Schilde | 4,287.94 mi (6,900.78 km) |
| Iowa City to Schoten | 4,284.89 mi (6,895.87 km) |
| Iowa City to Seneffe | 4,302.55 mi (6,924.29 km) |
| Iowa City to Seraing | 4,346.55 mi (6,995.10 km) |
| Iowa City to Sint-Amandsberg | 4,264.74 mi (6,863.44 km) |
| Iowa City to Sint-Andries | 4,238.60 mi (6,821.36 km) |
| Iowa City to Sint-Genesius-Rode | 4,298.17 mi (6,917.23 km) |
