| Sliven to Cedar Rapids (Iowa) | 5,434.87 mi (8,746.58 km) |
| Sliven to Cedarburg (Wisconsin) | 5,240.20 mi (8,433.29 km) |
| Sliven to Celebration (Florida) | 5,731.18 mi (9,223.44 km) |
| Sliven to Celina (Ohio) | 5,252.51 mi (8,453.09 km) |
| Sliven to Celina (Texas) | 6,073.31 mi (9,774.05 km) |
| Sliven to Centennial (Colorado) | 5,984.95 mi (9,631.84 km) |
| Sliven to Center Point (Alabama) | 5,677.09 mi (9,136.39 km) |
| Sliven to Centereach (New York) | 4,791.65 mi (7,711.41 km) |
| Sliven to Centerton (Arkansas) | 5,820.82 mi (9,367.71 km) |
| Sliven to Centerville (Ohio) | 5,281.81 mi (8,500.26 km) |
| Sliven to Centerville (Utah) | 6,099.70 mi (9,816.52 km) |
| Sliven to Central (Louisiana) | 6,005.83 mi (9,665.45 km) |
| Sliven to Central Falls (Rhode Island) | 4,679.18 mi (7,530.40 km) |
| Sliven to Central Islip (New York) | 4,799.89 mi (7,724.68 km) |
| Sliven to Central Point (Oregon) | 6,256.96 mi (10,069.60 km) |
