| Alenquer to Cloverly (Maryland) | 3,554.37 mi (5,720.20 km) |
| Alenquer to Clovis (California) | 5,589.30 mi (8,995.12 km) |
| Alenquer to Clovis (New Mexico) | 4,972.15 mi (8,001.91 km) |
| Alenquer to Clute (Texas) | 4,809.03 mi (7,739.38 km) |
| Alenquer to Coachella (California) | 5,585.54 mi (8,989.06 km) |
| Alenquer to Coalinga (California) | 5,647.64 mi (9,088.99 km) |
| Alenquer to Coamo (Puerto Rico) | 3,701.48 mi (5,956.95 km) |
| Alenquer to Coatesville (Pennsylvania) | 3,473.13 mi (5,589.47 km) |
| Alenquer to Cockeysville (Maryland) | 3,526.12 mi (5,674.74 km) |
| Alenquer to Cocoa (Florida) | 4,083.94 mi (6,572.46 km) |
| Alenquer to Cocoa Beach (Florida) | 4,078.36 mi (6,563.48 km) |
| Alenquer to Coconut Creek (Florida) | 4,128.59 mi (6,644.33 km) |
| Alenquer to Coeur d'Alene (Idaho) | 4,985.46 mi (8,023.33 km) |
| Alenquer to Cohoes (New York) | 3,303.67 mi (5,316.75 km) |
| Alenquer to Cold Springs (Nevada) | 5,467.32 mi (8,798.79 km) |
