| Smolyan to Chaudfontaine | 1,100.15 mi (1,770.53 km) |
| Smolyan to Chaumont-Gistoux | 1,140.09 mi (1,834.80 km) |
| Smolyan to Chimay | 1,137.15 mi (1,830.06 km) |
| Smolyan to Ciney | 1,112.60 mi (1,790.56 km) |
| Smolyan to Colfontaine | 1,165.76 mi (1,876.11 km) |
| Smolyan to Courcelles | 1,146.15 mi (1,844.54 km) |
| Smolyan to Court-Saint-Etienne | 1,143.64 mi (1,840.52 km) |
| Smolyan to Couvin | 1,130.36 mi (1,819.13 km) |
| Smolyan to Damme | 1,212.34 mi (1,951.08 km) |
| Smolyan to De Haan | 1,222.81 mi (1,967.92 km) |
| Smolyan to De Panne | 1,235.44 mi (1,988.25 km) |
| Smolyan to De Pinte | 1,190.63 mi (1,916.14 km) |
| Smolyan to Deerlijk | 1,198.20 mi (1,928.31 km) |
| Smolyan to Deinze | 1,194.76 mi (1,922.78 km) |
| Smolyan to Denderleeuw | 1,170.13 mi (1,883.14 km) |
