| Sofia to Chaudfontaine | 996.78 mi (1,604.16 km) |
| Sofia to Chaumont-Gistoux | 1,036.88 mi (1,668.70 km) |
| Sofia to Chimay | 1,034.69 mi (1,665.17 km) |
| Sofia to Ciney | 1,009.63 mi (1,624.85 km) |
| Sofia to Colfontaine | 1,063.05 mi (1,710.81 km) |
| Sofia to Courcelles | 1,043.23 mi (1,678.92 km) |
| Sofia to Court-Saint-Etienne | 1,040.51 mi (1,674.54 km) |
| Sofia to Couvin | 1,027.85 mi (1,654.16 km) |
| Sofia to Damme | 1,109.01 mi (1,784.77 km) |
| Sofia to De Haan | 1,119.51 mi (1,801.68 km) |
| Sofia to De Panne | 1,132.39 mi (1,822.40 km) |
| Sofia to De Pinte | 1,087.41 mi (1,750.02 km) |
| Sofia to Deerlijk | 1,095.18 mi (1,762.52 km) |
| Sofia to Deinze | 1,091.58 mi (1,756.73 km) |
| Sofia to Denderleeuw | 1,066.90 mi (1,717.01 km) |
