| Solothurn to Curtea de Arges | 830.99 mi (1,337.35 km) |
| Solothurn to Dabuleni | 833.95 mi (1,342.11 km) |
| Solothurn to Darabani | 886.33 mi (1,426.41 km) |
| Solothurn to Darmanesti | 895.93 mi (1,441.86 km) |
| Solothurn to Dej | 763.24 mi (1,228.32 km) |
| Solothurn to Deva | 735.50 mi (1,183.68 km) |
| Solothurn to Dolhasca | 891.32 mi (1,434.44 km) |
| Solothurn to Dorohoi | 878.48 mi (1,413.77 km) |
| Solothurn to Draganesti-Olt | 844.99 mi (1,359.88 km) |
| Solothurn to Dragasani | 821.18 mi (1,321.57 km) |
| Solothurn to Drobeta-Turnu Severin | 746.82 mi (1,201.89 km) |
| Solothurn to Fagaras | 832.67 mi (1,340.05 km) |
| Solothurn to Falticeni | 876.73 mi (1,410.96 km) |
| Solothurn to Fetesti | 993.10 mi (1,598.24 km) |
| Solothurn to Filiasi | 792.61 mi (1,275.58 km) |
