| Swansea to Curtea de Arges | 5,374.62 mi (8,649.62 km) |
| Swansea to Dabuleni | 5,416.92 mi (8,717.69 km) |
| Swansea to Darabani | 5,294.67 mi (8,520.94 km) |
| Swansea to Darmanesti | 5,378.40 mi (8,655.70 km) |
| Swansea to Dej | 5,252.31 mi (8,452.78 km) |
| Swansea to Deva | 5,277.22 mi (8,492.87 km) |
| Swansea to Dolhasca | 5,331.70 mi (8,580.54 km) |
| Swansea to Dorohoi | 5,299.25 mi (8,528.32 km) |
| Swansea to Draganesti-Olt | 5,415.30 mi (8,715.08 km) |
| Swansea to Dragasani | 5,382.34 mi (8,662.04 km) |
| Swansea to Drobeta-Turnu Severin | 5,325.46 mi (8,570.49 km) |
| Swansea to Fagaras | 5,351.52 mi (8,612.44 km) |
| Swansea to Falticeni | 5,319.90 mi (8,561.55 km) |
| Swansea to Fetesti | 5,519.86 mi (8,883.35 km) |
| Swansea to Filiasi | 5,367.95 mi (8,638.88 km) |
