| Sliven to Cicero (Illinois) | 5,304.88 mi (8,537.38 km) |
| Sliven to Cimarron Hills (Colorado) | 6,022.10 mi (9,691.64 km) |
| Sliven to Cincinnati (Ohio) | 5,319.52 mi (8,560.94 km) |
| Sliven to Cinco Ranch (Texas) | 6,229.60 mi (10,025.57 km) |
| Sliven to Circleville (Ohio) | 5,237.24 mi (8,428.52 km) |
| Sliven to Citrus (California) | 6,668.75 mi (10,732.31 km) |
| Sliven to Citrus Heights (California) | 6,458.89 mi (10,394.57 km) |
| Sliven to Citrus Park (Florida) | 5,786.12 mi (9,311.86 km) |
| Sliven to Claiborne (Louisiana) | 5,946.49 mi (9,569.95 km) |
| Sliven to Claremont (California) | 6,663.82 mi (10,724.38 km) |
| Sliven to Claremont (New Hampshire) | 4,653.50 mi (7,489.09 km) |
| Sliven to Claremore (Oklahoma) | 5,869.17 mi (9,445.51 km) |
| Sliven to Clarksburg (Maryland) | 5,033.72 mi (8,100.99 km) |
| Sliven to Clarksburg (West Virginia) | 5,151.78 mi (8,290.98 km) |
| Sliven to Clarksdale (Mississippi) | 5,798.49 mi (9,331.77 km) |
