| Diekirch to Castle Rock (Colorado) | 4,985.55 mi (8,023.47 km) |
| Diekirch to Castro Valley (California) | 5,613.65 mi (9,034.30 km) |
| Diekirch to Catalina Foothills (Arizona) | 5,578.54 mi (8,977.80 km) |
| Diekirch to Cataño (Puerto Rico) | 4,468.81 mi (7,191.86 km) |
| Diekirch to Cathedral City (California) | 5,673.90 mi (9,131.25 km) |
| Diekirch to Catonsville (Maryland) | 3,933.86 mi (6,330.94 km) |
| Diekirch to Cave Spring (Virginia) | 4,159.94 mi (6,694.77 km) |
| Diekirch to Cayce (South Carolina) | 4,357.00 mi (7,011.91 km) |
| Diekirch to Cayey (Puerto Rico) | 4,486.02 mi (7,219.55 km) |
| Diekirch to Cedar City (Utah) | 5,347.94 mi (8,606.68 km) |
| Diekirch to Cedar Falls (Iowa) | 4,390.07 mi (7,065.14 km) |
| Diekirch to Cedar Hill (Texas) | 5,059.97 mi (8,143.23 km) |
| Diekirch to Cedar Lake (Indiana) | 4,259.07 mi (6,854.31 km) |
| Diekirch to Cedar Mill (Oregon) | 5,169.82 mi (8,320.02 km) |
| Diekirch to Cedar Park (Texas) | 5,201.54 mi (8,371.07 km) |
