| Sliven to Castle Rock (Colorado) | 5,996.98 mi (9,651.21 km) |
| Sliven to Castro Valley (California) | 6,538.03 mi (10,521.94 km) |
| Sliven to Catalina Foothills (Arizona) | 6,589.91 mi (10,605.43 km) |
| Sliven to Cataño (Puerto Rico) | 5,484.72 mi (8,826.81 km) |
| Sliven to Cathedral City (California) | 6,650.19 mi (10,702.45 km) |
| Sliven to Catonsville (Maryland) | 5,010.90 mi (8,064.27 km) |
| Sliven to Cave Spring (Virginia) | 5,236.72 mi (8,427.69 km) |
| Sliven to Cayce (South Carolina) | 5,435.60 mi (8,747.76 km) |
| Sliven to Cayey (Puerto Rico) | 5,500.47 mi (8,852.15 km) |
| Sliven to Cedar City (Utah) | 6,327.21 mi (10,182.67 km) |
| Sliven to Cedar Falls (Iowa) | 5,432.29 mi (8,742.43 km) |
| Sliven to Cedar Hill (Texas) | 6,119.20 mi (9,847.89 km) |
| Sliven to Cedar Lake (Indiana) | 5,317.21 mi (8,557.22 km) |
| Sliven to Cedar Mill (Oregon) | 6,052.69 mi (9,740.86 km) |
| Sliven to Cedar Park (Texas) | 6,263.38 mi (10,079.93 km) |
