| Unterwellenborn to Castle Rock (Colorado) | 5,121.47 mi (8,242.20 km) |
| Unterwellenborn to Castro Valley (California) | 5,711.16 mi (9,191.22 km) |
| Unterwellenborn to Catalina Foothills (Arizona) | 5,715.10 mi (9,197.57 km) |
| Unterwellenborn to Cataño (Puerto Rico) | 4,701.43 mi (7,566.22 km) |
| Unterwellenborn to Cathedral City (California) | 5,793.50 mi (9,323.73 km) |
| Unterwellenborn to Catonsville (Maryland) | 4,122.58 mi (6,634.65 km) |
| Unterwellenborn to Cave Spring (Virginia) | 4,347.97 mi (6,997.39 km) |
| Unterwellenborn to Cayce (South Carolina) | 4,550.06 mi (7,322.62 km) |
| Unterwellenborn to Cayey (Puerto Rico) | 4,718.86 mi (7,594.28 km) |
| Unterwellenborn to Cedar City (Utah) | 5,468.37 mi (8,800.48 km) |
| Unterwellenborn to Cedar Falls (Iowa) | 4,543.95 mi (7,312.78 km) |
| Unterwellenborn to Cedar Hill (Texas) | 5,226.93 mi (8,411.94 km) |
| Unterwellenborn to Cedar Lake (Indiana) | 4,424.96 mi (7,121.28 km) |
| Unterwellenborn to Cedar Mill (Oregon) | 5,250.22 mi (8,449.41 km) |
| Unterwellenborn to Cedar Park (Texas) | 5,370.80 mi (8,643.47 km) |
