| Oak Ridge to Conyers (Georgia) | 159.76 mi (257.11 km) |
| Oak Ridge to Cookeville (Tennessee) | 69.17 mi (111.31 km) |
| Oak Ridge to Coolidge (Arizona) | 1,560.44 mi (2,511.29 km) |
| Oak Ridge to Coon Rapids (Minnesota) | 791.98 mi (1,274.57 km) |
| Oak Ridge to Cooper City (Florida) | 724.97 mi (1,166.73 km) |
| Oak Ridge to Coos Bay (Oregon) | 2,163.02 mi (3,481.05 km) |
| Oak Ridge to Copiague (New York) | 673.83 mi (1,084.42 km) |
| Oak Ridge to Coppell (Texas) | 751.74 mi (1,209.81 km) |
| Oak Ridge to Copperas Cove (Texas) | 851.78 mi (1,370.81 km) |
| Oak Ridge to Coral Gables (Florida) | 747.78 mi (1,203.44 km) |
| Oak Ridge to Coral Springs (Florida) | 710.82 mi (1,143.95 km) |
| Oak Ridge to Coral Terrace (Florida) | 744.34 mi (1,197.90 km) |
| Oak Ridge to Coralville (Iowa) | 557.73 mi (897.57 km) |
| Oak Ridge to Coram (New York) | 698.32 mi (1,123.84 km) |
| Oak Ridge to Corcoran (California) | 1,959.77 mi (3,153.95 km) |
