| Fort Thomas to Ratingen | 4,232.09 mi (6,810.89 km) |
| Fort Thomas to Ratzeburg | 4,297.56 mi (6,916.25 km) |
| Fort Thomas to Raubling | 4,557.42 mi (7,334.47 km) |
| Fort Thomas to Rauenberg | 4,371.39 mi (7,035.07 km) |
| Fort Thomas to Raunheim | 4,336.00 mi (6,978.11 km) |
| Fort Thomas to Ravensburg | 4,459.09 mi (7,176.22 km) |
| Fort Thomas to Recke | 4,230.51 mi (6,808.35 km) |
| Fort Thomas to Recklinghausen | 4,234.80 mi (6,815.26 km) |
| Fort Thomas to Regen | 4,553.53 mi (7,328.21 km) |
| Fort Thomas to Regensburg | 4,511.42 mi (7,260.43 km) |
| Fort Thomas to Regenstauf | 4,509.25 mi (7,256.94 km) |
| Fort Thomas to Rehau | 4,464.18 mi (7,184.41 km) |
| Fort Thomas to Rehburg-Loccum | 4,283.17 mi (6,893.10 km) |
| Fort Thomas to Rehlingen-Siersburg | 4,288.35 mi (6,901.44 km) |
| Fort Thomas to Reichelsheim | 4,361.37 mi (7,018.94 km) |
