| Ilhavo to Cloverly (Maryland) | 3,530.40 mi (5,681.62 km) |
| Ilhavo to Clovis (California) | 5,533.60 mi (8,905.47 km) |
| Ilhavo to Clovis (New Mexico) | 4,934.73 mi (7,941.68 km) |
| Ilhavo to Clute (Texas) | 4,787.56 mi (7,704.84 km) |
| Ilhavo to Coachella (California) | 5,537.03 mi (8,910.99 km) |
| Ilhavo to Coalinga (California) | 5,592.17 mi (8,999.72 km) |
| Ilhavo to Coamo (Puerto Rico) | 3,731.70 mi (6,005.59 km) |
| Ilhavo to Coatesville (Pennsylvania) | 3,448.10 mi (5,549.17 km) |
| Ilhavo to Cockeysville (Maryland) | 3,501.61 mi (5,635.29 km) |
| Ilhavo to Cocoa (Florida) | 4,078.29 mi (6,563.38 km) |
| Ilhavo to Cocoa Beach (Florida) | 4,072.95 mi (6,554.78 km) |
| Ilhavo to Coconut Creek (Florida) | 4,127.47 mi (6,642.52 km) |
| Ilhavo to Coeur d'Alene (Idaho) | 4,918.91 mi (7,916.23 km) |
| Ilhavo to Cohoes (New York) | 3,273.71 mi (5,268.52 km) |
| Ilhavo to Cold Springs (Nevada) | 5,407.93 mi (8,703.23 km) |
