| Alexandroupoli to Clarkston (Georgia) | 5,630.68 mi (9,061.71 km) |
| Alexandroupoli to Clarksville (Indiana) | 5,474.56 mi (8,810.45 km) |
| Alexandroupoli to Clarksville (Tennessee) | 5,621.16 mi (9,046.38 km) |
| Alexandroupoli to Clawson (Michigan) | 5,174.77 mi (8,327.99 km) |
| Alexandroupoli to Clay (Alabama) | 5,733.13 mi (9,226.59 km) |
| Alexandroupoli to Clayton (California) | 6,625.39 mi (10,662.53 km) |
| Alexandroupoli to Clayton (Missouri) | 5,631.73 mi (9,063.40 km) |
| Alexandroupoli to Clayton (North Carolina) | 5,302.40 mi (8,533.38 km) |
| Alexandroupoli to Clayton (Ohio) | 5,344.92 mi (8,601.82 km) |
| Alexandroupoli to Clearfield (Utah) | 6,190.10 mi (9,962.00 km) |
| Alexandroupoli to Clearlake (California) | 6,576.18 mi (10,583.34 km) |
| Alexandroupoli to Clearwater (Florida) | 5,847.83 mi (9,411.17 km) |
| Alexandroupoli to Cleburne (Texas) | 6,220.71 mi (10,011.27 km) |
| Alexandroupoli to Clemmons (North Carolina) | 5,366.44 mi (8,636.46 km) |
| Alexandroupoli to Clemson (South Carolina) | 5,530.10 mi (8,899.84 km) |
