| Iowa City to Radauti | 5,170.79 mi (8,321.59 km) |
| Iowa City to Ramnicu Sarat | 5,332.37 mi (8,581.63 km) |
| Iowa City to Ramnicu Valcea | 5,257.12 mi (8,460.51 km) |
| Iowa City to Rasnov | 5,268.93 mi (8,479.53 km) |
| Iowa City to Reghin | 5,184.95 mi (8,344.38 km) |
| Iowa City to Resita | 5,162.54 mi (8,308.30 km) |
| Iowa City to Roman | 5,249.15 mi (8,447.69 km) |
| Iowa City to Rosiori de Vede | 5,327.82 mi (8,574.30 km) |
| Iowa City to Rovinari | 5,225.35 mi (8,409.40 km) |
| Iowa City to Roznov | 5,240.54 mi (8,433.83 km) |
| Iowa City to Sabaoani | 5,242.19 mi (8,436.49 km) |
| Iowa City to Sacele | 5,275.84 mi (8,490.64 km) |
| Iowa City to Sacueni | 5,069.95 mi (8,159.29 km) |
| Iowa City to Salcea | 5,194.83 mi (8,360.27 km) |
| Iowa City to Salonta | 5,081.77 mi (8,178.31 km) |
