| Kyustendil to Caguas (Puerto Rico) | 5,315.25 mi (8,554.07 km) |
| Kyustendil to Cahokia (Illinois) | 5,442.78 mi (8,759.31 km) |
| Kyustendil to Calabasas (California) | 6,617.66 mi (10,650.09 km) |
| Kyustendil to Caldwell (Idaho) | 5,987.77 mi (9,636.38 km) |
| Kyustendil to Caledonia (Wisconsin) | 5,150.58 mi (8,289.05 km) |
| Kyustendil to Calera (Alabama) | 5,575.95 mi (8,973.62 km) |
| Kyustendil to Calexico (California) | 6,617.75 mi (10,650.24 km) |
| Kyustendil to Calhoun (Georgia) | 5,435.86 mi (8,748.16 km) |
| Kyustendil to California (Maryland) | 4,910.75 mi (7,903.09 km) |
| Kyustendil to California City (California) | 6,534.16 mi (10,515.72 km) |
| Kyustendil to Callaway (Florida) | 5,672.34 mi (9,128.74 km) |
| Kyustendil to Calumet City (Illinois) | 5,195.57 mi (8,361.47 km) |
| Kyustendil to Calverton (Maryland) | 4,896.24 mi (7,879.74 km) |
| Kyustendil to Camano (Washington) | 5,835.21 mi (9,390.87 km) |
| Kyustendil to Camarillo (California) | 6,622.02 mi (10,657.12 km) |
