| Leiden to Clarkston (Georgia) | 4,367.26 mi (7,028.43 km) |
| Leiden to Clarksville (Indiana) | 4,202.35 mi (6,763.04 km) |
| Leiden to Clarksville (Tennessee) | 4,349.42 mi (6,999.71 km) |
| Leiden to Clawson (Michigan) | 3,901.03 mi (6,278.10 km) |
| Leiden to Clay (Alabama) | 4,466.08 mi (7,187.46 km) |
| Leiden to Clayton (California) | 5,428.05 mi (8,735.60 km) |
| Leiden to Clayton (Missouri) | 4,357.67 mi (7,013.00 km) |
| Leiden to Clayton (North Carolina) | 4,045.93 mi (6,511.29 km) |
| Leiden to Clayton (Ohio) | 4,072.32 mi (6,553.77 km) |
| Leiden to Clearfield (Utah) | 4,958.88 mi (7,980.54 km) |
| Leiden to Clearlake (California) | 5,386.27 mi (8,668.37 km) |
| Leiden to Clearwater (Florida) | 4,604.54 mi (7,410.29 km) |
| Leiden to Cleburne (Texas) | 4,946.65 mi (7,960.86 km) |
| Leiden to Clemmons (North Carolina) | 4,105.01 mi (6,606.38 km) |
| Leiden to Clemson (South Carolina) | 4,267.35 mi (6,867.64 km) |
