| Kocaeli to Cutrofiano | 617.33 mi (993.50 km) |
| Kocaeli to Dalmine | 1,074.03 mi (1,728.49 km) |
| Kocaeli to Deruta | 911.64 mi (1,467.14 km) |
| Kocaeli to Desenzano del Garda | 1,027.22 mi (1,653.15 km) |
| Kocaeli to Desio | 1,091.79 mi (1,757.07 km) |
| Kocaeli to Dolianova | 1,097.82 mi (1,766.78 km) |
| Kocaeli to Dolo | 953.70 mi (1,534.83 km) |
| Kocaeli to Domodossola | 1,142.01 mi (1,837.89 km) |
| Kocaeli to Dorgali | 1,065.93 mi (1,715.44 km) |
| Kocaeli to Dueville | 981.75 mi (1,579.97 km) |
| Kocaeli to Eboli | 777.71 mi (1,251.60 km) |
| Kocaeli to Elmas | 1,106.45 mi (1,780.66 km) |
| Kocaeli to Empoli | 989.14 mi (1,591.86 km) |
| Kocaeli to Enna | 865.28 mi (1,392.53 km) |
| Kocaeli to Eraclea | 927.80 mi (1,493.14 km) |
