| Forest Grove to Cullman (Alabama) | 2,055.89 mi (3,308.63 km) |
| Forest Grove to Culpeper (Virginia) | 2,335.04 mi (3,757.88 km) |
| Forest Grove to Culver City (California) | 833.89 mi (1,342.01 km) |
| Forest Grove to Cumberland (Maryland) | 2,262.71 mi (3,641.49 km) |
| Forest Grove to Cupertino (California) | 569.74 mi (916.90 km) |
| Forest Grove to Cutler Bay (Florida) | 2,727.30 mi (4,389.17 km) |
| Forest Grove to Cutlerville (Michigan) | 1,847.25 mi (2,972.87 km) |
| Forest Grove to Cuyahoga Falls (Ohio) | 2,087.58 mi (3,359.63 km) |
| Forest Grove to Cypress (California) | 852.20 mi (1,371.48 km) |
| Forest Grove to Cypress Gardens (Florida) | 2,554.97 mi (4,111.82 km) |
| Forest Grove to Cypress Lake (Florida) | 2,610.46 mi (4,201.14 km) |
| Forest Grove to D'Iberville (Mississippi) | 2,110.56 mi (3,396.62 km) |
| Forest Grove to Dakota Ridge (Colorado) | 998.62 mi (1,607.12 km) |
| Forest Grove to Dale City (Virginia) | 2,361.10 mi (3,799.82 km) |
| Forest Grove to Dallas (Georgia) | 2,161.46 mi (3,478.53 km) |
