| Sliven to Clermont (Florida) | 5,727.55 mi (9,217.60 km) |
| Sliven to Cleveland (Mississippi) | 5,827.86 mi (9,379.04 km) |
| Sliven to Cleveland (Ohio) | 5,100.33 mi (8,208.19 km) |
| Sliven to Cleveland (Tennessee) | 5,528.87 mi (8,897.85 km) |
| Sliven to Cleveland Heights (Ohio) | 5,094.27 mi (8,198.44 km) |
| Sliven to Cliffside Park (New Jersey) | 4,830.24 mi (7,773.51 km) |
| Sliven to Clifton (Colorado) | 6,118.33 mi (9,846.49 km) |
| Sliven to Clifton (New Jersey) | 4,835.26 mi (7,781.60 km) |
| Sliven to Clinton (Iowa) | 5,391.89 mi (8,677.42 km) |
| Sliven to Clinton (Maryland) | 5,041.04 mi (8,112.77 km) |
| Sliven to Clinton (Mississippi) | 5,885.33 mi (9,471.53 km) |
| Sliven to Clinton (Utah) | 6,091.59 mi (9,803.46 km) |
| Sliven to Clive (Iowa) | 5,524.64 mi (8,891.05 km) |
| Sliven to Cloquet (Minnesota) | 5,215.67 mi (8,393.81 km) |
| Sliven to Cloverleaf (Texas) | 6,204.93 mi (9,985.87 km) |
