| Smolyan to Casandrino | 544.30 mi (875.96 km) |
| Smolyan to Casapulla | 541.34 mi (871.21 km) |
| Smolyan to Casarano | 358.34 mi (576.69 km) |
| Smolyan to Casatenovo | 818.67 mi (1,317.53 km) |
| Smolyan to Casciana Terme | 728.21 mi (1,171.93 km) |
| Smolyan to Cascina | 732.80 mi (1,179.33 km) |
| Smolyan to Caselle Torinese | 889.74 mi (1,431.89 km) |
| Smolyan to Caserta | 538.76 mi (867.05 km) |
| Smolyan to Casier | 679.97 mi (1,094.31 km) |
| Smolyan to Casorate Primo | 826.29 mi (1,329.79 km) |
| Smolyan to Casoria | 542.05 mi (872.34 km) |
| Smolyan to Cassano al Ionio | 456.30 mi (734.34 km) |
| Smolyan to Cassano d'Adda | 806.21 mi (1,297.47 km) |
| Smolyan to Cassano delle Murge | 414.89 mi (667.71 km) |
| Smolyan to Cassina de' Pecchi | 812.97 mi (1,308.34 km) |
