| Yambol to Carson (California) | 6,711.37 mi (10,800.90 km) |
| Yambol to Carson City (Nevada) | 6,412.82 mi (10,320.44 km) |
| Yambol to Carteret (New Jersey) | 4,865.55 mi (7,830.35 km) |
| Yambol to Cartersville (Georgia) | 5,591.88 mi (8,999.26 km) |
| Yambol to Carthage (Missouri) | 5,795.26 mi (9,326.56 km) |
| Yambol to Cary (Illinois) | 5,319.56 mi (8,561.01 km) |
| Yambol to Cary (North Carolina) | 5,271.86 mi (8,484.24 km) |
| Yambol to Casa de Oro-Mount Helix (California) | 6,745.71 mi (10,856.18 km) |
| Yambol to Casa Grande (Arizona) | 6,595.43 mi (10,614.31 km) |
| Yambol to Casas Adobes (Arizona) | 6,607.56 mi (10,633.85 km) |
| Yambol to Cascades (Virginia) | 5,061.96 mi (8,146.44 km) |
| Yambol to Casper (Wyoming) | 5,854.88 mi (9,422.52 km) |
| Yambol to Casselberry (Florida) | 5,718.70 mi (9,203.35 km) |
| Yambol to Castaic (California) | 6,680.27 mi (10,750.85 km) |
| Yambol to Castle Pines (Colorado) | 6,008.70 mi (9,670.07 km) |
