| Castelli Calepio to Caguas (Puerto Rico) | 4,653.78 mi (7,489.54 km) |
| Castelli Calepio to Cahokia (Illinois) | 4,802.98 mi (7,729.65 km) |
| Castelli Calepio to Calabasas (California) | 6,058.64 mi (9,750.44 km) |
| Castelli Calepio to Caldwell (Idaho) | 5,453.55 mi (8,776.63 km) |
| Castelli Calepio to Caledonia (Wisconsin) | 4,518.68 mi (7,272.12 km) |
| Castelli Calepio to Calera (Alabama) | 4,916.79 mi (7,912.82 km) |
| Castelli Calepio to Calexico (California) | 6,039.50 mi (9,719.64 km) |
| Castelli Calepio to Calhoun (Georgia) | 4,776.60 mi (7,687.19 km) |
| Castelli Calepio to California (Maryland) | 4,247.50 mi (6,835.70 km) |
| Castelli Calepio to California City (California) | 5,974.86 mi (9,615.61 km) |
| Castelli Calepio to Callaway (Florida) | 5,006.43 mi (8,057.07 km) |
| Castelli Calepio to Calumet City (Illinois) | 4,559.18 mi (7,337.29 km) |
| Castelli Calepio to Calverton (Maryland) | 4,235.09 mi (6,815.72 km) |
| Castelli Calepio to Camano (Washington) | 5,345.84 mi (8,603.29 km) |
| Castelli Calepio to Camarillo (California) | 6,065.02 mi (9,760.71 km) |
