| Alenquer to Cicero (Illinois) | 3,991.99 mi (6,424.49 km) |
| Alenquer to Cimarron Hills (Colorado) | 4,864.43 mi (7,828.54 km) |
| Alenquer to Cincinnati (Ohio) | 3,919.62 mi (6,308.01 km) |
| Alenquer to Cinco Ranch (Texas) | 4,799.42 mi (7,723.92 km) |
| Alenquer to Circleville (Ohio) | 3,829.97 mi (6,163.74 km) |
| Alenquer to Citrus (California) | 5,640.83 mi (9,078.04 km) |
| Alenquer to Citrus Heights (California) | 5,565.65 mi (8,957.05 km) |
| Alenquer to Citrus Park (Florida) | 4,188.61 mi (6,740.91 km) |
| Alenquer to Claiborne (Louisiana) | 4,517.40 mi (7,270.06 km) |
| Alenquer to Claremont (California) | 5,632.99 mi (9,065.42 km) |
| Alenquer to Claremont (New Hampshire) | 3,224.92 mi (5,190.01 km) |
| Alenquer to Claremore (Oklahoma) | 4,544.76 mi (7,314.08 km) |
| Alenquer to Clarksburg (Maryland) | 3,564.32 mi (5,736.22 km) |
| Alenquer to Clarksburg (West Virginia) | 3,712.53 mi (5,974.74 km) |
| Alenquer to Clarksdale (Mississippi) | 4,377.61 mi (7,045.09 km) |
