| Alpen to Castle Rock (Colorado) | 4,920.61 mi (7,918.95 km) |
| Alpen to Castro Valley (California) | 5,531.69 mi (8,902.39 km) |
| Alpen to Catalina Foothills (Arizona) | 5,514.12 mi (8,874.12 km) |
| Alpen to Cataño (Puerto Rico) | 4,487.09 mi (7,221.27 km) |
| Alpen to Cathedral City (California) | 5,601.33 mi (9,014.47 km) |
| Alpen to Catonsville (Maryland) | 3,901.83 mi (6,279.39 km) |
| Alpen to Cave Spring (Virginia) | 4,127.41 mi (6,642.42 km) |
| Alpen to Cayce (South Carolina) | 4,328.53 mi (6,966.10 km) |
| Alpen to Cayey (Puerto Rico) | 4,504.75 mi (7,249.70 km) |
| Alpen to Cedar City (Utah) | 5,275.64 mi (8,490.32 km) |
| Alpen to Cedar Falls (Iowa) | 4,334.69 mi (6,976.01 km) |
| Alpen to Cedar Hill (Texas) | 5,012.75 mi (8,067.24 km) |
| Alpen to Cedar Lake (Indiana) | 4,210.96 mi (6,776.88 km) |
| Alpen to Cedar Mill (Oregon) | 5,081.28 mi (8,177.53 km) |
| Alpen to Cedar Park (Texas) | 5,155.84 mi (8,297.52 km) |
