| Leek to Clarkston (Georgia) | 4,087.80 mi (6,578.68 km) |
| Leek to Clarksville (Indiana) | 3,926.01 mi (6,318.31 km) |
| Leek to Clarksville (Tennessee) | 4,072.75 mi (6,554.45 km) |
| Leek to Clawson (Michigan) | 3,626.60 mi (5,836.45 km) |
| Leek to Clay (Alabama) | 4,187.44 mi (6,739.04 km) |
| Leek to Clayton (California) | 5,194.85 mi (8,360.30 km) |
| Leek to Clayton (Missouri) | 4,084.54 mi (6,573.44 km) |
| Leek to Clayton (North Carolina) | 3,765.57 mi (6,060.10 km) |
| Leek to Clayton (Ohio) | 3,796.32 mi (6,109.58 km) |
| Leek to Clearfield (Utah) | 4,713.46 mi (7,585.58 km) |
| Leek to Clearlake (California) | 5,155.91 mi (8,297.64 km) |
| Leek to Clearwater (Florida) | 4,323.78 mi (6,958.45 km) |
| Leek to Cleburne (Texas) | 4,673.67 mi (7,521.54 km) |
| Leek to Clemmons (North Carolina) | 3,825.20 mi (6,156.06 km) |
| Leek to Clemson (South Carolina) | 3,987.76 mi (6,417.69 km) |
