| San Marino to Curtea de Arges | 6,485.67 mi (10,437.67 km) |
| San Marino to Dabuleni | 6,550.81 mi (10,542.50 km) |
| San Marino to Darabani | 6,346.56 mi (10,213.80 km) |
| San Marino to Darmanesti | 6,454.23 mi (10,387.08 km) |
| San Marino to Dej | 6,348.41 mi (10,216.78 km) |
| San Marino to Deva | 6,398.09 mi (10,296.73 km) |
| San Marino to Dolhasca | 6,392.88 mi (10,288.34 km) |
| San Marino to Dorohoi | 6,356.10 mi (10,229.16 km) |
| San Marino to Draganesti-Olt | 6,539.88 mi (10,524.92 km) |
| San Marino to Dragasani | 6,503.86 mi (10,466.96 km) |
| San Marino to Drobeta-Turnu Severin | 6,464.68 mi (10,403.90 km) |
| San Marino to Fagaras | 6,450.59 mi (10,381.22 km) |
| San Marino to Falticeni | 6,384.15 mi (10,274.30 km) |
| San Marino to Fetesti | 6,604.08 mi (10,628.23 km) |
| San Marino to Filiasi | 6,500.73 mi (10,461.92 km) |
