| Momchilgrad to Corinth (Mississippi) | 5,698.62 mi (9,171.04 km) |
| Momchilgrad to Corinth (Texas) | 6,115.91 mi (9,842.60 km) |
| Momchilgrad to Cornelius (North Carolina) | 5,365.86 mi (8,635.51 km) |
| Momchilgrad to Cornelius (Oregon) | 6,115.39 mi (9,841.77 km) |
| Momchilgrad to Corning (New York) | 4,907.73 mi (7,898.23 km) |
| Momchilgrad to Corona (California) | 6,721.99 mi (10,818.00 km) |
| Momchilgrad to Coronado (California) | 6,784.86 mi (10,919.17 km) |
| Momchilgrad to Corpus Christi (Texas) | 6,418.04 mi (10,328.84 km) |
| Momchilgrad to Corsicana (Texas) | 6,150.43 mi (9,898.16 km) |
| Momchilgrad to Cortland (New York) | 4,853.21 mi (7,810.48 km) |
| Momchilgrad to Corvallis (Oregon) | 6,180.08 mi (9,945.88 km) |
| Momchilgrad to Coshocton (Ohio) | 5,181.32 mi (8,338.52 km) |
| Momchilgrad to Costa Mesa (California) | 6,743.06 mi (10,851.91 km) |
| Momchilgrad to Coto de Caza (California) | 6,738.89 mi (10,845.20 km) |
| Momchilgrad to Cottage Grove (Minnesota) | 5,359.61 mi (8,625.46 km) |
