| Santander to Caguas (Puerto Rico) | 3,977.21 mi (6,400.70 km) |
| Santander to Cahokia (Illinois) | 4,305.07 mi (6,928.34 km) |
| Santander to Calabasas (California) | 5,688.60 mi (9,154.92 km) |
| Santander to Caldwell (Idaho) | 5,132.90 mi (8,260.60 km) |
| Santander to Caledonia (Wisconsin) | 4,042.53 mi (6,505.83 km) |
| Santander to Calera (Alabama) | 4,367.83 mi (7,029.34 km) |
| Santander to Calexico (California) | 5,639.54 mi (9,075.97 km) |
| Santander to Calhoun (Georgia) | 4,228.58 mi (6,805.24 km) |
| Santander to California (Maryland) | 3,691.69 mi (5,941.21 km) |
| Santander to California City (California) | 5,605.88 mi (9,021.79 km) |
| Santander to Callaway (Florida) | 4,435.06 mi (7,137.54 km) |
| Santander to Calumet City (Illinois) | 4,072.32 mi (6,553.77 km) |
| Santander to Calverton (Maryland) | 3,686.41 mi (5,932.70 km) |
| Santander to Camano (Washington) | 5,092.61 mi (8,195.77 km) |
| Santander to Camarillo (California) | 5,697.95 mi (9,169.97 km) |
