| Yambol to Castle Rock (Colorado) | 6,013.15 mi (9,677.24 km) |
| Yambol to Castro Valley (California) | 6,554.12 mi (10,547.83 km) |
| Yambol to Catalina Foothills (Arizona) | 6,606.09 mi (10,631.47 km) |
| Yambol to Cataño (Puerto Rico) | 5,496.57 mi (8,845.88 km) |
| Yambol to Cathedral City (California) | 6,666.40 mi (10,728.54 km) |
| Yambol to Catonsville (Maryland) | 5,026.08 mi (8,088.69 km) |
| Yambol to Cave Spring (Virginia) | 5,251.92 mi (8,452.15 km) |
| Yambol to Cayce (South Carolina) | 5,450.61 mi (8,771.91 km) |
| Yambol to Cayey (Puerto Rico) | 5,512.27 mi (8,871.15 km) |
| Yambol to Cedar City (Utah) | 6,343.43 mi (10,208.76 km) |
| Yambol to Cedar Falls (Iowa) | 5,448.28 mi (8,768.15 km) |
| Yambol to Cedar Hill (Texas) | 6,134.98 mi (9,873.30 km) |
| Yambol to Cedar Lake (Indiana) | 5,332.99 mi (8,582.62 km) |
| Yambol to Cedar Mill (Oregon) | 6,068.63 mi (9,766.52 km) |
| Yambol to Cedar Park (Texas) | 6,279.12 mi (10,105.26 km) |
