| Langenfeld to Castle Rock (Colorado) | 4,955.57 mi (7,975.22 km) |
| Langenfeld to Castro Valley (California) | 5,568.20 mi (8,961.16 km) |
| Langenfeld to Catalina Foothills (Arizona) | 5,549.05 mi (8,930.33 km) |
| Langenfeld to Cataño (Puerto Rico) | 4,505.24 mi (7,250.49 km) |
| Langenfeld to Cathedral City (California) | 5,637.13 mi (9,072.08 km) |
| Langenfeld to Catonsville (Maryland) | 3,931.59 mi (6,327.28 km) |
| Langenfeld to Cave Spring (Virginia) | 4,157.28 mi (6,690.49 km) |
| Langenfeld to Cayce (South Carolina) | 4,357.64 mi (7,012.94 km) |
| Langenfeld to Cayey (Puerto Rico) | 4,522.79 mi (7,278.72 km) |
| Langenfeld to Cedar City (Utah) | 5,311.40 mi (8,547.87 km) |
| Langenfeld to Cedar Falls (Iowa) | 4,368.38 mi (7,030.23 km) |
| Langenfeld to Cedar Hill (Texas) | 5,045.24 mi (8,119.54 km) |
| Langenfeld to Cedar Lake (Indiana) | 4,243.55 mi (6,829.33 km) |
| Langenfeld to Cedar Mill (Oregon) | 5,118.08 mi (8,236.75 km) |
| Langenfeld to Cedar Park (Texas) | 5,188.09 mi (8,349.43 km) |
