| Knoxville to Ratingen | 4,364.72 mi (7,024.33 km) |
| Knoxville to Ratzeburg | 4,440.74 mi (7,146.67 km) |
| Knoxville to Raubling | 4,685.22 mi (7,540.14 km) |
| Knoxville to Rauenberg | 4,499.75 mi (7,241.65 km) |
| Knoxville to Raunheim | 4,466.33 mi (7,187.86 km) |
| Knoxville to Ravensburg | 4,584.04 mi (7,377.30 km) |
| Knoxville to Recke | 4,367.15 mi (7,028.24 km) |
| Knoxville to Recklinghausen | 4,368.58 mi (7,030.56 km) |
| Knoxville to Regen | 4,685.81 mi (7,541.09 km) |
| Knoxville to Regensburg | 4,642.69 mi (7,471.68 km) |
| Knoxville to Regenstauf | 4,640.86 mi (7,468.75 km) |
| Knoxville to Rehau | 4,598.86 mi (7,401.15 km) |
| Knoxville to Rehburg-Loccum | 4,421.40 mi (7,115.55 km) |
| Knoxville to Rehlingen-Siersburg | 4,414.92 mi (7,105.13 km) |
| Knoxville to Reichelsheim | 4,491.20 mi (7,227.89 km) |
