| Leiden to Castle Rock (Colorado) | 4,828.43 mi (7,770.61 km) |
| Leiden to Castro Valley (California) | 5,445.52 mi (8,763.72 km) |
| Leiden to Catalina Foothills (Arizona) | 5,421.86 mi (8,725.64 km) |
| Leiden to Cataño (Puerto Rico) | 4,402.67 mi (7,085.41 km) |
| Leiden to Cathedral City (California) | 5,511.40 mi (8,869.74 km) |
| Leiden to Catonsville (Maryland) | 3,806.70 mi (6,126.29 km) |
| Leiden to Cave Spring (Virginia) | 4,032.25 mi (6,489.27 km) |
| Leiden to Cayce (South Carolina) | 4,233.59 mi (6,813.31 km) |
| Leiden to Cayey (Puerto Rico) | 4,420.50 mi (7,114.11 km) |
| Leiden to Cedar City (Utah) | 5,185.60 mi (8,345.42 km) |
| Leiden to Cedar Falls (Iowa) | 4,240.63 mi (6,824.63 km) |
| Leiden to Cedar Hill (Texas) | 4,917.82 mi (7,914.46 km) |
| Leiden to Cedar Lake (Indiana) | 4,116.07 mi (6,624.18 km) |
| Leiden to Cedar Mill (Oregon) | 4,998.60 mi (8,044.47 km) |
| Leiden to Cedar Park (Texas) | 5,060.80 mi (8,144.58 km) |
