| Iowa City to Ramsbottom | 3,953.64 mi (6,362.76 km) |
| Iowa City to Ramsgate | 4,168.48 mi (6,708.52 km) |
| Iowa City to Raunds | 4,061.43 mi (6,536.25 km) |
| Iowa City to Rawmarsh | 3,994.93 mi (6,429.23 km) |
| Iowa City to Rawtenstall | 3,952.97 mi (6,361.70 km) |
| Iowa City to Rayleigh | 4,129.62 mi (6,645.98 km) |
| Iowa City to Raynes Park | 4,104.77 mi (6,605.98 km) |
| Iowa City to Reading | 4,075.27 mi (6,558.51 km) |
| Iowa City to Redcar | 3,967.62 mi (6,385.26 km) |
| Iowa City to Reddish | 3,965.99 mi (6,382.65 km) |
| Iowa City to Redditch | 4,011.21 mi (6,455.42 km) |
| Iowa City to Redhill | 4,112.64 mi (6,618.65 km) |
| Iowa City to Redruth | 3,952.28 mi (6,360.58 km) |
| Iowa City to Reigate | 4,111.46 mi (6,616.76 km) |
| Iowa City to Renfrew | 3,811.92 mi (6,134.69 km) |
