| Echt to Clarkston (Georgia) | 4,450.25 mi (7,161.98 km) |
| Echt to Clarksville (Indiana) | 4,288.67 mi (6,901.94 km) |
| Echt to Clarksville (Tennessee) | 4,435.48 mi (7,138.21 km) |
| Echt to Clawson (Michigan) | 3,988.59 mi (6,419.02 km) |
| Echt to Clay (Alabama) | 4,550.22 mi (7,322.87 km) |
| Echt to Clayton (California) | 5,522.57 mi (8,887.71 km) |
| Echt to Clayton (Missouri) | 4,445.96 mi (7,155.09 km) |
| Echt to Clayton (North Carolina) | 4,126.99 mi (6,641.74 km) |
| Echt to Clayton (Ohio) | 4,158.88 mi (6,693.07 km) |
| Echt to Clearfield (Utah) | 5,052.97 mi (8,131.97 km) |
| Echt to Clearlake (California) | 5,480.79 mi (8,820.48 km) |
| Echt to Clearwater (Florida) | 4,682.91 mi (7,536.41 km) |
| Echt to Cleburne (Texas) | 5,035.04 mi (8,103.11 km) |
| Echt to Clemmons (North Carolina) | 4,187.38 mi (6,738.94 km) |
| Echt to Clemson (South Carolina) | 4,350.13 mi (7,000.85 km) |
