| Blagoevgrad to Carson (California) | 6,651.84 mi (10,705.10 km) |
| Blagoevgrad to Carson City (Nevada) | 6,363.37 mi (10,240.86 km) |
| Blagoevgrad to Carteret (New Jersey) | 4,745.47 mi (7,637.09 km) |
| Blagoevgrad to Cartersville (Georgia) | 5,473.78 mi (8,809.19 km) |
| Blagoevgrad to Carthage (Missouri) | 5,696.16 mi (9,167.09 km) |
| Blagoevgrad to Cary (Illinois) | 5,220.41 mi (8,401.44 km) |
| Blagoevgrad to Cary (North Carolina) | 5,148.66 mi (8,285.96 km) |
| Blagoevgrad to Casa de Oro-Mount Helix (California) | 6,681.96 mi (10,753.57 km) |
| Blagoevgrad to Casa Grande (Arizona) | 6,520.91 mi (10,494.40 km) |
| Blagoevgrad to Casas Adobes (Arizona) | 6,530.71 mi (10,510.16 km) |
| Blagoevgrad to Cascades (Virginia) | 4,942.76 mi (7,954.60 km) |
| Blagoevgrad to Casper (Wyoming) | 5,785.14 mi (9,310.28 km) |
| Blagoevgrad to Casselberry (Florida) | 5,587.24 mi (8,991.79 km) |
| Blagoevgrad to Castaic (California) | 6,622.40 mi (10,657.73 km) |
| Blagoevgrad to Castle Pines (Colorado) | 5,931.01 mi (9,545.05 km) |
