| Leek to Caguas (Puerto Rico) | 4,145.47 mi (6,671.49 km) |
| Leek to Cahokia (Illinois) | 4,082.76 mi (6,570.57 km) |
| Leek to Calabasas (California) | 5,315.99 mi (8,555.26 km) |
| Leek to Caldwell (Idaho) | 4,714.10 mi (7,586.61 km) |
| Leek to Caledonia (Wisconsin) | 3,792.11 mi (6,102.80 km) |
| Leek to Calera (Alabama) | 4,221.51 mi (6,793.86 km) |
| Leek to Calexico (California) | 5,296.99 mi (8,524.68 km) |
| Leek to Calhoun (Georgia) | 4,081.68 mi (6,568.84 km) |
| Leek to California (Maryland) | 3,562.04 mi (5,732.56 km) |
| Leek to California City (California) | 5,232.21 mi (8,420.43 km) |
| Leek to Callaway (Florida) | 4,326.20 mi (6,962.34 km) |
| Leek to Calumet City (Illinois) | 3,836.01 mi (6,173.46 km) |
| Leek to Calverton (Maryland) | 3,544.85 mi (5,704.88 km) |
| Leek to Camano (Washington) | 4,618.34 mi (7,432.50 km) |
| Leek to Camarillo (California) | 5,322.47 mi (8,565.69 km) |
