| Momchilgrad to Cloverly (Maryland) | 5,039.82 mi (8,110.80 km) |
| Momchilgrad to Clovis (California) | 6,590.99 mi (10,607.17 km) |
| Momchilgrad to Clovis (New Mexico) | 6,259.10 mi (10,073.05 km) |
| Momchilgrad to Clute (Texas) | 6,272.17 mi (10,094.09 km) |
| Momchilgrad to Coachella (California) | 6,694.78 mi (10,774.21 km) |
| Momchilgrad to Coalinga (California) | 6,649.04 mi (10,700.60 km) |
| Momchilgrad to Coamo (Puerto Rico) | 5,487.32 mi (8,830.98 km) |
| Momchilgrad to Coatesville (Pennsylvania) | 4,952.69 mi (7,970.59 km) |
| Momchilgrad to Cockeysville (Maryland) | 5,008.05 mi (8,059.68 km) |
| Momchilgrad to Cocoa (Florida) | 5,695.85 mi (9,166.58 km) |
| Momchilgrad to Cocoa Beach (Florida) | 5,692.01 mi (9,160.41 km) |
| Momchilgrad to Coconut Creek (Florida) | 5,769.83 mi (9,285.64 km) |
| Momchilgrad to Coeur d'Alene (Idaho) | 5,852.31 mi (9,418.38 km) |
| Momchilgrad to Cohoes (New York) | 4,747.17 mi (7,639.83 km) |
| Momchilgrad to Cold Springs (Nevada) | 6,418.91 mi (10,330.24 km) |
