| Iowa City to Pyrzyce | 4,567.32 mi (7,350.39 km) |
| Iowa City to Pyskowice | 4,811.69 mi (7,743.67 km) |
| Iowa City to Raciborz | 4,812.73 mi (7,745.34 km) |
| Iowa City to Radom | 4,846.32 mi (7,799.39 km) |
| Iowa City to Radomsko | 4,807.46 mi (7,736.87 km) |
| Iowa City to Radzionkow Nowy | 4,820.47 mi (7,757.80 km) |
| Iowa City to Radzymin | 4,799.64 mi (7,724.28 km) |
| Iowa City to Radzyn Podlaski | 4,874.21 mi (7,844.28 km) |
| Iowa City to Rawa Mazowiecka | 4,800.82 mi (7,726.17 km) |
| Iowa City to Rawicz | 4,698.43 mi (7,561.40 km) |
| Iowa City to Reda | 4,611.86 mi (7,422.07 km) |
| Iowa City to Rogozno | 4,652.43 mi (7,487.36 km) |
| Iowa City to Ropczyce | 4,924.99 mi (7,926.01 km) |
| Iowa City to Ruda Slaska | 4,825.03 mi (7,765.14 km) |
| Iowa City to Rumia | 4,615.61 mi (7,428.11 km) |
