| Iowa City to Rivalta di Torino | 4,644.34 mi (7,474.34 km) |
| Iowa City to Rivarolo Canavese | 4,639.77 mi (7,466.98 km) |
| Iowa City to Rivoli | 4,642.83 mi (7,471.92 km) |
| Iowa City to Rocca di Papa | 4,989.01 mi (8,029.04 km) |
| Iowa City to Rocca Priora | 4,990.23 mi (8,031.00 km) |
| Iowa City to Roccapiemonte | 5,112.01 mi (8,226.99 km) |
| Iowa City to Roccastrada | 4,873.30 mi (7,842.82 km) |
| Iowa City to Romano di Lombardia | 4,710.34 mi (7,580.57 km) |
| Iowa City to Rome | 4,974.18 mi (8,005.18 km) |
| Iowa City to Roncade | 4,805.01 mi (7,732.91 km) |
| Iowa City to Ronchi dei Legionari | 4,837.60 mi (7,785.36 km) |
| Iowa City to Ronciglione | 4,946.01 mi (7,959.83 km) |
| Iowa City to Rosa | 4,778.14 mi (7,689.68 km) |
| Iowa City to Rosarno | 5,268.48 mi (8,478.80 km) |
| Iowa City to Rosignano Marittimo | 4,828.87 mi (7,771.32 km) |
