| Cincinnati to Ratingen | 4,231.19 mi (6,809.45 km) |
| Cincinnati to Ratzeburg | 4,296.34 mi (6,914.30 km) |
| Cincinnati to Raubling | 4,556.66 mi (7,333.24 km) |
| Cincinnati to Rauenberg | 4,370.61 mi (7,033.82 km) |
| Cincinnati to Raunheim | 4,335.17 mi (6,976.78 km) |
| Cincinnati to Ravensburg | 4,458.42 mi (7,175.13 km) |
| Cincinnati to Recke | 4,229.50 mi (6,806.72 km) |
| Cincinnati to Recklinghausen | 4,233.88 mi (6,813.77 km) |
| Cincinnati to Regen | 4,552.64 mi (7,326.77 km) |
| Cincinnati to Regensburg | 4,510.56 mi (7,259.05 km) |
| Cincinnati to Regenstauf | 4,508.38 mi (7,255.53 km) |
| Cincinnati to Rehau | 4,463.22 mi (7,182.86 km) |
| Cincinnati to Rehburg-Loccum | 4,282.11 mi (6,891.39 km) |
| Cincinnati to Rehlingen-Siersburg | 4,287.64 mi (6,900.29 km) |
| Cincinnati to Reichelsheim | 4,360.55 mi (7,017.63 km) |
