| Santander to Castle Rock (Colorado) | 4,891.75 mi (7,872.51 km) |
| Santander to Castro Valley (California) | 5,626.79 mi (9,055.45 km) |
| Santander to Catalina Foothills (Arizona) | 5,471.92 mi (8,806.20 km) |
| Santander to Cataño (Puerto Rico) | 3,973.26 mi (6,394.34 km) |
| Santander to Cathedral City (California) | 5,619.27 mi (9,043.35 km) |
| Santander to Catonsville (Maryland) | 3,669.70 mi (5,905.81 km) |
| Santander to Cave Spring (Virginia) | 3,894.09 mi (6,266.94 km) |
| Santander to Cayce (South Carolina) | 4,066.83 mi (6,544.94 km) |
| Santander to Cayey (Puerto Rico) | 3,988.66 mi (6,419.12 km) |
| Santander to Cedar City (Utah) | 5,296.66 mi (8,524.14 km) |
| Santander to Cedar Falls (Iowa) | 4,247.63 mi (6,835.89 km) |
| Santander to Cedar Hill (Texas) | 4,858.63 mi (7,819.22 km) |
| Santander to Cedar Lake (Indiana) | 4,076.55 mi (6,560.57 km) |
| Santander to Cedar Mill (Oregon) | 5,240.64 mi (8,434.00 km) |
| Santander to Cedar Park (Texas) | 4,989.53 mi (8,029.88 km) |
