| Momchilgrad to Clarkston (Georgia) | 5,583.28 mi (8,985.43 km) |
| Momchilgrad to Clarksville (Indiana) | 5,425.61 mi (8,731.68 km) |
| Momchilgrad to Clarksville (Tennessee) | 5,572.34 mi (8,967.81 km) |
| Momchilgrad to Clawson (Michigan) | 5,125.26 mi (8,248.31 km) |
| Momchilgrad to Clay (Alabama) | 5,685.22 mi (9,149.47 km) |
| Momchilgrad to Clayton (California) | 6,572.71 mi (10,577.75 km) |
| Momchilgrad to Clayton (Missouri) | 5,581.89 mi (8,983.19 km) |
| Momchilgrad to Clayton (North Carolina) | 5,255.79 mi (8,458.38 km) |
| Momchilgrad to Clayton (Ohio) | 5,295.86 mi (8,522.87 km) |
| Momchilgrad to Clearfield (Utah) | 6,137.54 mi (9,877.42 km) |
| Momchilgrad to Clearlake (California) | 6,523.52 mi (10,498.60 km) |
| Momchilgrad to Clearwater (Florida) | 5,802.66 mi (9,338.48 km) |
| Momchilgrad to Cleburne (Texas) | 6,170.81 mi (9,930.95 km) |
| Momchilgrad to Clemmons (North Carolina) | 5,319.27 mi (8,560.54 km) |
| Momchilgrad to Clemson (South Carolina) | 5,482.78 mi (8,823.68 km) |
