| Smolyan to Diemen | 1,183.98 mi (1,905.43 km) |
| Smolyan to Doesburg | 1,130.42 mi (1,819.23 km) |
| Smolyan to Doetinchem | 1,122.58 mi (1,806.62 km) |
| Smolyan to Dokkum | 1,185.70 mi (1,908.20 km) |
| Smolyan to Dongen | 1,161.04 mi (1,868.51 km) |
| Smolyan to Doorn | 1,159.39 mi (1,865.86 km) |
| Smolyan to Dordrecht | 1,176.03 mi (1,892.63 km) |
| Smolyan to Drachten | 1,173.18 mi (1,888.04 km) |
| Smolyan to Drimmelen | 1,167.71 mi (1,879.25 km) |
| Smolyan to Dronten | 1,163.87 mi (1,873.06 km) |
| Smolyan to Druten | 1,144.94 mi (1,842.60 km) |
| Smolyan to Duiven | 1,131.58 mi (1,821.10 km) |
| Smolyan to Echt | 1,107.33 mi (1,782.07 km) |
| Smolyan to Edam | 1,187.57 mi (1,911.21 km) |
| Smolyan to Ede | 1,148.48 mi (1,848.29 km) |
