| Oak Ridge to Cullman (Alabama) | 189.66 mi (305.23 km) |
| Oak Ridge to Culpeper (Virginia) | 387.06 mi (622.91 km) |
| Oak Ridge to Culver City (California) | 1,925.46 mi (3,098.73 km) |
| Oak Ridge to Cumberland (Maryland) | 395.11 mi (635.86 km) |
| Oak Ridge to Cupertino (California) | 2,081.15 mi (3,349.29 km) |
| Oak Ridge to Cutler Bay (Florida) | 754.98 mi (1,215.02 km) |
| Oak Ridge to Cutlerville (Michigan) | 480.77 mi (773.72 km) |
| Oak Ridge to Cuyahoga Falls (Ohio) | 389.22 mi (626.39 km) |
| Oak Ridge to Cypress (California) | 1,908.69 mi (3,071.74 km) |
| Oak Ridge to Cypress Gardens (Florida) | 570.77 mi (918.57 km) |
| Oak Ridge to Cypress Lake (Florida) | 666.29 mi (1,072.29 km) |
| Oak Ridge to D'Iberville (Mississippi) | 463.50 mi (745.93 km) |
| Oak Ridge to Dakota Ridge (Colorado) | 1,162.75 mi (1,871.27 km) |
| Oak Ridge to Dale City (Virginia) | 424.31 mi (682.86 km) |
| Oak Ridge to Dallas (Georgia) | 144.91 mi (233.21 km) |
