| Leek to Cicero (Illinois) | 3,832.85 mi (6,168.38 km) |
| Leek to Cimarron Hills (Colorado) | 4,592.71 mi (7,391.26 km) |
| Leek to Cincinnati (Ohio) | 3,837.81 mi (6,176.36 km) |
| Leek to Cinco Ranch (Texas) | 4,748.82 mi (7,642.48 km) |
| Leek to Circleville (Ohio) | 3,754.75 mi (6,042.69 km) |
| Leek to Citrus (California) | 5,292.56 mi (8,517.55 km) |
| Leek to Citrus Heights (California) | 5,132.18 mi (8,259.45 km) |
| Leek to Citrus Park (Florida) | 4,310.82 mi (6,937.59 km) |
| Leek to Claiborne (Louisiana) | 4,464.82 mi (7,185.43 km) |
| Leek to Claremont (California) | 5,286.47 mi (8,507.75 km) |
| Leek to Claremont (New Hampshire) | 3,169.34 mi (5,100.56 km) |
| Leek to Claremore (Oklahoma) | 4,399.87 mi (7,080.91 km) |
| Leek to Clarksburg (Maryland) | 3,549.76 mi (5,712.78 km) |
| Leek to Clarksburg (West Virginia) | 3,667.80 mi (5,902.76 km) |
| Leek to Clarksdale (Mississippi) | 4,316.94 mi (6,947.45 km) |
