| Alcala la Real to Caguas (Puerto Rico) | 3,946.90 mi (6,351.93 km) |
| Alcala la Real to Cahokia (Illinois) | 4,504.53 mi (7,249.34 km) |
| Alcala la Real to Calabasas (California) | 5,956.47 mi (9,586.01 km) |
| Alcala la Real to Caldwell (Idaho) | 5,430.98 mi (8,740.32 km) |
| Alcala la Real to Caledonia (Wisconsin) | 4,261.50 mi (6,858.22 km) |
| Alcala la Real to Calera (Alabama) | 4,522.98 mi (7,279.03 km) |
| Alcala la Real to Calexico (California) | 5,890.88 mi (9,480.45 km) |
| Alcala la Real to Calhoun (Georgia) | 4,386.32 mi (7,059.09 km) |
| Alcala la Real to California (Maryland) | 3,849.17 mi (6,194.64 km) |
| Alcala la Real to California City (California) | 5,875.09 mi (9,455.05 km) |
| Alcala la Real to Callaway (Florida) | 4,567.26 mi (7,350.30 km) |
| Alcala la Real to Calumet City (Illinois) | 4,283.06 mi (6,892.92 km) |
| Alcala la Real to Calverton (Maryland) | 3,850.77 mi (6,197.21 km) |
| Alcala la Real to Camano (Washington) | 5,420.42 mi (8,723.32 km) |
| Alcala la Real to Camarillo (California) | 5,967.36 mi (9,603.53 km) |
