| Smolyan to Cento | 709.40 mi (1,141.66 km) |
| Smolyan to Cepagatti | 548.51 mi (882.74 km) |
| Smolyan to Ceprano | 577.72 mi (929.74 km) |
| Smolyan to Cercola | 539.80 mi (868.73 km) |
| Smolyan to Cerea | 720.54 mi (1,159.60 km) |
| Smolyan to Cerese | 739.91 mi (1,190.76 km) |
| Smolyan to Cerignola | 456.23 mi (734.24 km) |
| Smolyan to Cermenate | 829.36 mi (1,334.73 km) |
| Smolyan to Cernusco sul Naviglio | 814.53 mi (1,310.87 km) |
| Smolyan to Cerreto Guidi | 716.98 mi (1,153.87 km) |
| Smolyan to Cerro Maggiore | 833.92 mi (1,342.06 km) |
| Smolyan to Certaldo | 707.34 mi (1,138.35 km) |
| Smolyan to Cerveteri | 649.13 mi (1,044.67 km) |
| Smolyan to Cervia | 650.62 mi (1,047.07 km) |
| Smolyan to Cervignano del Friuli | 637.98 mi (1,026.73 km) |
