| Leiden to Cloverly (Maryland) | 3,824.24 mi (6,154.51 km) |
| Leiden to Clovis (California) | 5,431.13 mi (8,740.56 km) |
| Leiden to Clovis (New Mexico) | 5,041.53 mi (8,113.56 km) |
| Leiden to Clute (Texas) | 5,049.21 mi (8,125.92 km) |
| Leiden to Coachella (California) | 5,510.02 mi (8,867.52 km) |
| Leiden to Coalinga (California) | 5,490.09 mi (8,835.45 km) |
| Leiden to Coamo (Puerto Rico) | 4,431.03 mi (7,131.06 km) |
| Leiden to Coatesville (Pennsylvania) | 3,736.92 mi (6,013.99 km) |
| Leiden to Cockeysville (Maryland) | 3,792.20 mi (6,102.96 km) |
| Leiden to Cocoa (Florida) | 4,502.42 mi (7,245.94 km) |
| Leiden to Cocoa Beach (Florida) | 4,499.19 mi (7,240.75 km) |
| Leiden to Coconut Creek (Florida) | 4,586.21 mi (7,380.79 km) |
| Leiden to Coeur d'Alene (Idaho) | 4,718.97 mi (7,594.46 km) |
| Leiden to Cohoes (New York) | 3,528.41 mi (5,678.44 km) |
| Leiden to Cold Springs (Nevada) | 5,270.24 mi (8,481.63 km) |
