| Spanish Lake to Castle Pines (Colorado) | 786.44 mi (1,265.66 km) |
| Spanish Lake to Castle Rock (Colorado) | 785.69 mi (1,264.44 km) |
| Spanish Lake to Castro Valley (California) | 1,721.34 mi (2,770.24 km) |
| Spanish Lake to Catalina Foothills (Arizona) | 1,242.22 mi (1,999.16 km) |
| Spanish Lake to Cataño (Puerto Rico) | 2,014.32 mi (3,241.74 km) |
| Spanish Lake to Cathedral City (California) | 1,495.76 mi (2,407.20 km) |
| Spanish Lake to Catonsville (Maryland) | 722.84 mi (1,163.29 km) |
| Spanish Lake to Cave Spring (Virginia) | 565.41 mi (909.94 km) |
| Spanish Lake to Cayce (South Carolina) | 609.38 mi (980.69 km) |
| Spanish Lake to Cayey (Puerto Rico) | 2,030.45 mi (3,267.69 km) |
| Spanish Lake to Cedar City (Utah) | 1,241.24 mi (1,997.59 km) |
| Spanish Lake to Cedar Falls (Iowa) | 283.37 mi (456.05 km) |
| Spanish Lake to Cedar Hill (Texas) | 571.92 mi (920.41 km) |
| Spanish Lake to Cedar Lake (Indiana) | 230.69 mi (371.27 km) |
| Spanish Lake to Cedar Mill (Oregon) | 1,719.98 mi (2,768.03 km) |
