| Belfast to Curtea de Arges | 1,495.74 mi (2,407.16 km) |
| Belfast to Dabuleni | 1,530.38 mi (2,462.90 km) |
| Belfast to Darabani | 1,455.27 mi (2,342.04 km) |
| Belfast to Darmanesti | 1,517.28 mi (2,441.83 km) |
| Belfast to Dej | 1,384.28 mi (2,227.78 km) |
| Belfast to Deva | 1,396.68 mi (2,247.74 km) |
| Belfast to Dolhasca | 1,482.81 mi (2,386.35 km) |
| Belfast to Dorohoi | 1,455.59 mi (2,342.55 km) |
| Belfast to Draganesti-Olt | 1,531.09 mi (2,464.06 km) |
| Belfast to Dragasani | 1,499.57 mi (2,413.33 km) |
| Belfast to Drobeta-Turnu Severin | 1,438.71 mi (2,315.38 km) |
| Belfast to Fagaras | 1,478.53 mi (2,379.47 km) |
| Belfast to Falticeni | 1,469.43 mi (2,364.82 km) |
| Belfast to Fetesti | 1,648.94 mi (2,653.70 km) |
| Belfast to Filiasi | 1,482.21 mi (2,385.39 km) |
