| Sliven to Casandrino | 633.35 mi (1,019.28 km) |
| Sliven to Casapulla | 629.35 mi (1,012.84 km) |
| Sliven to Casarano | 461.66 mi (742.96 km) |
| Sliven to Casatenovo | 866.79 mi (1,394.97 km) |
| Sliven to Casciana Terme | 793.65 mi (1,277.26 km) |
| Sliven to Cascina | 796.95 mi (1,282.57 km) |
| Sliven to Caselle Torinese | 943.46 mi (1,518.35 km) |
| Sliven to Caserta | 626.82 mi (1,008.77 km) |
| Sliven to Casier | 723.99 mi (1,165.16 km) |
| Sliven to Casorate Primo | 877.85 mi (1,412.76 km) |
| Sliven to Casoria | 631.43 mi (1,016.19 km) |
| Sliven to Cassano al Ionio | 557.26 mi (896.83 km) |
| Sliven to Cassano d'Adda | 855.47 mi (1,376.75 km) |
| Sliven to Cassano delle Murge | 508.01 mi (817.57 km) |
| Sliven to Cassina de' Pecchi | 862.53 mi (1,388.11 km) |
