| Silves to Cloverly (Maryland) | 3,635.16 mi (5,850.23 km) |
| Silves to Clovis (California) | 5,697.37 mi (9,169.03 km) |
| Silves to Clovis (New Mexico) | 5,064.56 mi (8,150.62 km) |
| Silves to Clute (Texas) | 4,886.12 mi (7,863.44 km) |
| Silves to Coachella (California) | 5,687.54 mi (9,153.21 km) |
| Silves to Coalinga (California) | 5,755.48 mi (9,262.56 km) |
| Silves to Coamo (Puerto Rico) | 3,721.58 mi (5,989.30 km) |
| Silves to Coatesville (Pennsylvania) | 3,555.06 mi (5,721.31 km) |
| Silves to Cockeysville (Maryland) | 3,607.48 mi (5,805.67 km) |
| Silves to Cocoa (Florida) | 4,145.26 mi (6,671.15 km) |
| Silves to Cocoa Beach (Florida) | 4,139.43 mi (6,661.77 km) |
| Silves to Coconut Creek (Florida) | 4,184.94 mi (6,735.01 km) |
| Silves to Coeur d'Alene (Idaho) | 5,102.15 mi (8,211.11 km) |
| Silves to Cohoes (New York) | 3,390.53 mi (5,456.53 km) |
| Silves to Cold Springs (Nevada) | 5,578.39 mi (8,977.55 km) |
