| Knoxville to Reichenbach/Vogtland | 4,597.63 mi (7,399.17 km) |
| Knoxville to Reinbek | 4,428.15 mi (7,126.42 km) |
| Knoxville to Reinfeld | 4,426.89 mi (7,124.39 km) |
| Knoxville to Reinheim | 4,487.35 mi (7,221.70 km) |
| Knoxville to Reiskirchen | 4,463.48 mi (7,183.27 km) |
| Knoxville to Rellingen | 4,407.97 mi (7,093.94 km) |
| Knoxville to Remagen | 4,400.94 mi (7,082.63 km) |
| Knoxville to Remscheid | 4,381.84 mi (7,051.90 km) |
| Knoxville to Rendsburg | 4,383.04 mi (7,053.82 km) |
| Knoxville to Renningen | 4,524.89 mi (7,282.11 km) |
| Knoxville to Reutlingen | 4,545.33 mi (7,315.01 km) |
| Knoxville to Rhaude | 4,337.68 mi (6,980.82 km) |
| Knoxville to Rheda-Wiedenbruck | 4,405.05 mi (7,089.24 km) |
| Knoxville to Rhede | 4,343.46 mi (6,990.12 km) |
| Knoxville to Rheinau | 4,487.38 mi (7,221.74 km) |
