| Momchilgrad to Cookeville (Tennessee) | 5,521.18 mi (8,885.47 km) |
| Momchilgrad to Coolidge (Arizona) | 6,609.12 mi (10,636.35 km) |
| Momchilgrad to Coon Rapids (Minnesota) | 5,353.83 mi (8,616.15 km) |
| Momchilgrad to Cooper City (Florida) | 5,785.55 mi (9,310.94 km) |
| Momchilgrad to Coos Bay (Oregon) | 6,274.29 mi (10,097.49 km) |
| Momchilgrad to Copiague (New York) | 4,823.24 mi (7,762.26 km) |
| Momchilgrad to Coppell (Texas) | 6,122.67 mi (9,853.49 km) |
| Momchilgrad to Copperas Cove (Texas) | 6,255.79 mi (10,067.72 km) |
| Momchilgrad to Coral Gables (Florida) | 5,801.19 mi (9,336.12 km) |
| Momchilgrad to Coral Springs (Florida) | 5,773.68 mi (9,291.84 km) |
| Momchilgrad to Coral Terrace (Florida) | 5,800.67 mi (9,335.27 km) |
| Momchilgrad to Coralville (Iowa) | 5,472.86 mi (8,807.72 km) |
| Momchilgrad to Coram (New York) | 4,798.36 mi (7,722.21 km) |
| Momchilgrad to Corcoran (California) | 6,634.43 mi (10,677.09 km) |
| Momchilgrad to Cordele (Georgia) | 5,653.51 mi (9,098.44 km) |
