| Knoxville to Redon | 4,094.04 mi (6,588.72 km) |
| Knoxville to Reims | 4,309.98 mi (6,936.24 km) |
| Knoxville to Rennes | 4,099.96 mi (6,598.26 km) |
| Knoxville to Revel | 4,390.73 mi (7,066.20 km) |
| Knoxville to Reze | 4,128.09 mi (6,643.52 km) |
| Knoxville to Riedisheim | 4,492.66 mi (7,230.24 km) |
| Knoxville to Rillieux-la-Pape | 4,447.48 mi (7,157.52 km) |
| Knoxville to Riom | 4,367.85 mi (7,029.38 km) |
| Knoxville to Riorges | 4,403.72 mi (7,087.10 km) |
| Knoxville to Ris-Orangis | 4,259.71 mi (6,855.34 km) |
| Knoxville to Rive-de-Gier | 4,444.18 mi (7,152.21 km) |
| Knoxville to Rivesaltes | 4,451.05 mi (7,163.27 km) |
| Knoxville to Rixheim | 4,494.21 mi (7,232.73 km) |
| Knoxville to Roanne | 4,405.12 mi (7,089.36 km) |
| Knoxville to Roche-la-Moliere | 4,434.31 mi (7,136.34 km) |
