| Kocaeli to Curtea de Arges | 401.84 mi (646.71 km) |
| Kocaeli to Dabuleni | 364.21 mi (586.15 km) |
| Kocaeli to Darabani | 538.41 mi (866.49 km) |
| Kocaeli to Darmanesti | 423.84 mi (682.10 km) |
| Kocaeli to Dej | 532.06 mi (856.26 km) |
| Kocaeli to Deva | 498.48 mi (802.22 km) |
| Kocaeli to Dolhasca | 488.95 mi (786.89 km) |
| Kocaeli to Dorohoi | 526.62 mi (847.51 km) |
| Kocaeli to Draganesti-Olt | 361.55 mi (581.86 km) |
| Kocaeli to Dragasani | 393.56 mi (633.38 km) |
| Kocaeli to Drobeta-Turnu Severin | 455.47 mi (733.00 km) |
| Kocaeli to Fagaras | 430.02 mi (692.05 km) |
| Kocaeli to Falticeni | 496.17 mi (798.50 km) |
| Kocaeli to Fetesti | 273.89 mi (440.79 km) |
| Kocaeli to Filiasi | 411.00 mi (661.44 km) |
