| Sliven to Cloverly (Maryland) | 5,028.46 mi (8,092.53 km) |
| Sliven to Clovis (California) | 6,541.56 mi (10,527.62 km) |
| Sliven to Clovis (New Mexico) | 6,228.16 mi (10,023.25 km) |
| Sliven to Clute (Texas) | 6,254.50 mi (10,065.64 km) |
| Sliven to Coachella (California) | 6,650.91 mi (10,703.61 km) |
| Sliven to Coalinga (California) | 6,599.37 mi (10,620.66 km) |
| Sliven to Coamo (Puerto Rico) | 5,512.08 mi (8,870.84 km) |
| Sliven to Coatesville (Pennsylvania) | 4,941.20 mi (7,952.10 km) |
| Sliven to Cockeysville (Maryland) | 4,996.53 mi (8,041.14 km) |
| Sliven to Cocoa (Florida) | 5,693.99 mi (9,163.59 km) |
| Sliven to Cocoa Beach (Florida) | 5,690.35 mi (9,157.74 km) |
| Sliven to Coconut Creek (Florida) | 5,771.00 mi (9,287.53 km) |
| Sliven to Coeur d'Alene (Idaho) | 5,799.11 mi (9,332.76 km) |
| Sliven to Cohoes (New York) | 4,733.71 mi (7,618.17 km) |
| Sliven to Cold Springs (Nevada) | 6,367.58 mi (10,247.63 km) |
