| Forest Grove to Cloverleaf (Texas) | 1,859.80 mi (2,993.06 km) |
| Forest Grove to Cloverly (Maryland) | 2,363.70 mi (3,804.01 km) |
| Forest Grove to Clovis (California) | 626.58 mi (1,008.38 km) |
| Forest Grove to Clovis (New Mexico) | 1,297.41 mi (2,087.98 km) |
| Forest Grove to Clute (Texas) | 1,886.77 mi (3,036.47 km) |
| Forest Grove to Coachella (California) | 896.93 mi (1,443.48 km) |
| Forest Grove to Coalinga (California) | 664.29 mi (1,069.07 km) |
| Forest Grove to Coamo (Puerto Rico) | 3,736.73 mi (6,013.68 km) |
| Forest Grove to Coatesville (Pennsylvania) | 2,394.14 mi (3,853.00 km) |
| Forest Grove to Cockeysville (Maryland) | 2,370.23 mi (3,814.51 km) |
| Forest Grove to Cocoa (Florida) | 2,581.70 mi (4,154.85 km) |
| Forest Grove to Cocoa Beach (Florida) | 2,590.47 mi (4,168.96 km) |
| Forest Grove to Coconut Creek (Florida) | 2,702.35 mi (4,349.01 km) |
| Forest Grove to Coeur d'Alene (Idaho) | 335.33 mi (539.66 km) |
| Forest Grove to Cohoes (New York) | 2,417.70 mi (3,890.91 km) |
