| Kocaeli to Grottaferrata | 896.81 mi (1,443.27 km) |
| Kocaeli to Grottaglie | 654.10 mi (1,052.67 km) |
| Kocaeli to Grottammare | 838.65 mi (1,349.68 km) |
| Kocaeli to Grugliasco | 1,164.75 mi (1,874.49 km) |
| Kocaeli to Grumo Appula | 689.95 mi (1,110.37 km) |
| Kocaeli to Grumo Nevano | 816.99 mi (1,314.82 km) |
| Kocaeli to Gualdo Tadino | 894.54 mi (1,439.62 km) |
| Kocaeli to Guardiagrele | 817.58 mi (1,315.77 km) |
| Kocaeli to Guastalla | 1,013.89 mi (1,631.69 km) |
| Kocaeli to Gubbio | 906.13 mi (1,458.27 km) |
| Kocaeli to Guspini | 1,124.53 mi (1,809.76 km) |
| Kocaeli to Gussago | 1,047.29 mi (1,685.46 km) |
| Kocaeli to Iesi | 873.87 mi (1,406.36 km) |
| Kocaeli to Iesolo | 928.71 mi (1,494.62 km) |
| Kocaeli to Iglesias | 1,132.76 mi (1,823.00 km) |
