| Oak Ridge to Cloverleaf (Texas) | 761.14 mi (1,224.94 km) |
| Oak Ridge to Cloverly (Maryland) | 454.61 mi (731.63 km) |
| Oak Ridge to Clovis (California) | 1,957.78 mi (3,150.75 km) |
| Oak Ridge to Clovis (New Mexico) | 1,070.50 mi (1,722.80 km) |
| Oak Ridge to Clute (Texas) | 804.37 mi (1,294.51 km) |
| Oak Ridge to Coachella (California) | 1,805.21 mi (2,905.21 km) |
| Oak Ridge to Coalinga (California) | 2,000.93 mi (3,220.18 km) |
| Oak Ridge to Coamo (Puerto Rico) | 1,650.95 mi (2,656.95 km) |
| Oak Ridge to Coatesville (Pennsylvania) | 538.33 mi (866.36 km) |
| Oak Ridge to Cockeysville (Maryland) | 483.98 mi (778.89 km) |
| Oak Ridge to Cocoa (Florida) | 562.87 mi (905.85 km) |
| Oak Ridge to Cocoa Beach (Florida) | 569.09 mi (915.85 km) |
| Oak Ridge to Coconut Creek (Florida) | 711.65 mi (1,145.29 km) |
| Oak Ridge to Coeur d'Alene (Idaho) | 1,841.19 mi (2,963.12 km) |
| Oak Ridge to Cohoes (New York) | 734.56 mi (1,182.17 km) |
