| Summit to Castle Pines (Colorado) | 1,606.74 mi (2,585.80 km) |
| Summit to Castle Rock (Colorado) | 1,607.20 mi (2,586.53 km) |
| Summit to Castro Valley (California) | 2,530.50 mi (4,072.44 km) |
| Summit to Catalina Foothills (Arizona) | 2,093.02 mi (3,368.39 km) |
| Summit to Cataño (Puerto Rico) | 1,614.66 mi (2,598.54 km) |
| Summit to Cathedral City (California) | 2,339.82 mi (3,765.58 km) |
| Summit to Catonsville (Maryland) | 160.89 mi (258.93 km) |
| Summit to Cave Spring (Virginia) | 387.18 mi (623.10 km) |
| Summit to Cayce (South Carolina) | 594.05 mi (956.03 km) |
| Summit to Cayey (Puerto Rico) | 1,635.77 mi (2,632.52 km) |
| Summit to Cedar City (Utah) | 2,067.54 mi (3,327.38 km) |
| Summit to Cedar Falls (Iowa) | 940.81 mi (1,514.08 km) |
| Summit to Cedar Hill (Texas) | 1,367.60 mi (2,200.94 km) |
| Summit to Cedar Lake (Indiana) | 682.17 mi (1,097.84 km) |
| Summit to Cedar Mill (Oregon) | 2,427.69 mi (3,906.99 km) |
