| Iowa City to Rosolini | 5,305.28 mi (8,538.03 km) |
| Iowa City to Rossano | 5,243.33 mi (8,438.33 km) |
| Iowa City to Rottofreno | 4,722.10 mi (7,599.49 km) |
| Iowa City to Rovato | 4,717.69 mi (7,592.40 km) |
| Iowa City to Roverbella | 4,759.79 mi (7,660.15 km) |
| Iowa City to Rovereto | 4,744.00 mi (7,634.73 km) |
| Iowa City to Rovigo | 4,806.83 mi (7,735.84 km) |
| Iowa City to Rozzano | 4,692.99 mi (7,552.63 km) |
| Iowa City to Rubano | 4,791.08 mi (7,710.50 km) |
| Iowa City to Rubiera | 4,787.01 mi (7,703.96 km) |
| Iowa City to Ruffano | 5,286.05 mi (8,507.07 km) |
| Iowa City to Russi | 4,846.75 mi (7,800.08 km) |
| Iowa City to Rutigliano | 5,189.38 mi (8,351.50 km) |
| Iowa City to Ruvo di Puglia | 5,164.82 mi (8,311.98 km) |
| Iowa City to Sabaudia | 5,022.11 mi (8,082.31 km) |
