| Unterwellenborn to Carlsbad (New Mexico) | 5,492.02 mi (8,838.55 km) |
| Unterwellenborn to Carmel (Indiana) | 4,447.35 mi (7,157.32 km) |
| Unterwellenborn to Carmichael (California) | 5,636.09 mi (9,070.41 km) |
| Unterwellenborn to Carney (Maryland) | 4,107.40 mi (6,610.23 km) |
| Unterwellenborn to Carnot-Moon (Pennsylvania) | 4,197.94 mi (6,755.94 km) |
| Unterwellenborn to Carol Stream (Illinois) | 4,422.61 mi (7,117.50 km) |
| Unterwellenborn to Carolina (Puerto Rico) | 4,695.87 mi (7,557.27 km) |
| Unterwellenborn to Carolina Forest (South Carolina) | 4,473.77 mi (7,199.84 km) |
| Unterwellenborn to Carpentersville (Illinois) | 4,418.12 mi (7,110.28 km) |
| Unterwellenborn to Carpinteria (California) | 5,845.60 mi (9,407.59 km) |
| Unterwellenborn to Carrboro (North Carolina) | 4,374.90 mi (7,040.72 km) |
| Unterwellenborn to Carroll (Iowa) | 4,649.30 mi (7,482.33 km) |
| Unterwellenborn to Carrollton (Georgia) | 4,727.55 mi (7,608.25 km) |
| Unterwellenborn to Carrollton (Texas) | 5,202.71 mi (8,372.96 km) |
| Unterwellenborn to Carrollwood (Florida) | 4,907.31 mi (7,897.55 km) |
