| Seclin to Dabuleni | 1,088.54 mi (1,751.83 km) |
| Seclin to Darabani | 1,067.89 mi (1,718.60 km) |
| Seclin to Darmanesti | 1,107.40 mi (1,782.18 km) |
| Seclin to Dej | 971.44 mi (1,563.38 km) |
| Seclin to Deva | 967.17 mi (1,556.51 km) |
| Seclin to Dolhasca | 1,085.70 mi (1,747.27 km) |
| Seclin to Dorohoi | 1,064.41 mi (1,713.00 km) |
| Seclin to Draganesti-Olt | 1,093.48 mi (1,759.79 km) |
| Seclin to Dragasani | 1,064.72 mi (1,713.50 km) |
| Seclin to Drobeta-Turnu Severin | 997.53 mi (1,605.36 km) |
| Seclin to Fagaras | 1,057.08 mi (1,701.21 km) |
| Seclin to Falticeni | 1,071.43 mi (1,724.30 km) |
| Seclin to Fetesti | 1,225.87 mi (1,972.84 km) |
| Seclin to Filiasi | 1,042.53 mi (1,677.80 km) |
| Seclin to Flamanzi | 1,094.17 mi (1,760.89 km) |
