| Oak Ridge to Robertsville (New Jersey) | 621.22 mi (999.75 km) |
| Oak Ridge to Robinson (Texas) | 799.63 mi (1,286.88 km) |
| Oak Ridge to Robstown (Texas) | 965.11 mi (1,553.20 km) |
| Oak Ridge to Rochester (Michigan) | 468.70 mi (754.30 km) |
| Oak Ridge to Rochester (Minnesota) | 704.33 mi (1,133.51 km) |
| Oak Ridge to Rochester (New Hampshire) | 869.40 mi (1,399.17 km) |
| Oak Ridge to Rochester (New York) | 611.31 mi (983.80 km) |
| Oak Ridge to Rochester Hills (Michigan) | 466.93 mi (751.45 km) |
| Oak Ridge to Rock Hill (South Carolina) | 197.11 mi (317.21 km) |
| Oak Ridge to Rock Island (Illinois) | 509.28 mi (819.60 km) |
| Oak Ridge to Rock Springs (Wyoming) | 1,392.31 mi (2,240.70 km) |
| Oak Ridge to Rockford (Illinois) | 504.39 mi (811.73 km) |
| Oak Ridge to Rockledge (Florida) | 567.53 mi (913.35 km) |
| Oak Ridge to Rocklin (California) | 2,024.50 mi (3,258.11 km) |
| Oak Ridge to Rockport (Texas) | 926.62 mi (1,491.26 km) |
