| Oak Ridge to Rancho Cordova (California) | 2,026.49 mi (3,261.31 km) |
| Oak Ridge to Rancho Cucamonga (California) | 1,877.35 mi (3,021.31 km) |
| Oak Ridge to Rancho Mirage (California) | 1,819.83 mi (2,928.73 km) |
| Oak Ridge to Rancho Palos Verdes (California) | 1,927.81 mi (3,102.52 km) |
| Oak Ridge to Rancho San Diego (California) | 1,865.21 mi (3,001.77 km) |
| Oak Ridge to Rancho Santa Margarita (California) | 1,887.35 mi (3,037.40 km) |
| Oak Ridge to Randallstown (Maryland) | 472.34 mi (760.15 km) |
| Oak Ridge to Rantoul (Illinois) | 365.86 mi (588.79 km) |
| Oak Ridge to Rapid City (South Dakota) | 1,143.59 mi (1,840.43 km) |
| Oak Ridge to Ravenna (Ohio) | 395.06 mi (635.79 km) |
| Oak Ridge to Raymondville (Texas) | 1,029.86 mi (1,657.40 km) |
| Oak Ridge to Raymore (Missouri) | 591.11 mi (951.30 km) |
| Oak Ridge to Raytown (Missouri) | 595.24 mi (957.94 km) |
| Oak Ridge to Reading (Ohio) | 225.39 mi (362.74 km) |
| Oak Ridge to Reading (Pennsylvania) | 545.59 mi (878.04 km) |
