| Momchilgrad to Castle Rock (Colorado) | 6,033.78 mi (9,710.42 km) |
| Momchilgrad to Castro Valley (California) | 6,590.27 mi (10,606.01 km) |
| Momchilgrad to Catalina Foothills (Arizona) | 6,627.19 mi (10,665.43 km) |
| Momchilgrad to Cataño (Puerto Rico) | 5,460.17 mi (8,787.29 km) |
| Momchilgrad to Cathedral City (California) | 6,694.50 mi (10,773.75 km) |
| Momchilgrad to Catonsville (Maryland) | 5,022.25 mi (8,082.52 km) |
| Momchilgrad to Cave Spring (Virginia) | 5,248.36 mi (8,446.43 km) |
| Momchilgrad to Cayce (South Carolina) | 5,444.26 mi (8,761.69 km) |
| Momchilgrad to Cayey (Puerto Rico) | 5,475.55 mi (8,812.05 km) |
| Momchilgrad to Cedar City (Utah) | 6,370.67 mi (10,252.61 km) |
| Momchilgrad to Cedar Falls (Iowa) | 5,460.82 mi (8,788.35 km) |
| Momchilgrad to Cedar Hill (Texas) | 6,142.02 mi (9,884.63 km) |
| Momchilgrad to Cedar Lake (Indiana) | 5,340.19 mi (8,594.21 km) |
| Momchilgrad to Cedar Mill (Oregon) | 6,109.56 mi (9,832.39 km) |
| Momchilgrad to Cedar Park (Texas) | 6,285.09 mi (10,114.88 km) |
