| Kastamonu to Grottaferrata | 1,088.36 mi (1,751.55 km) |
| Kastamonu to Grottaglie | 853.52 mi (1,373.61 km) |
| Kastamonu to Grottammare | 1,023.04 mi (1,646.42 km) |
| Kastamonu to Grugliasco | 1,337.34 mi (2,152.24 km) |
| Kastamonu to Grumo Appula | 886.71 mi (1,427.02 km) |
| Kastamonu to Grumo Nevano | 1,013.26 mi (1,630.69 km) |
| Kastamonu to Gualdo Tadino | 1,077.50 mi (1,734.08 km) |
| Kastamonu to Guardiagrele | 1,007.05 mi (1,620.69 km) |
| Kastamonu to Guastalla | 1,186.08 mi (1,908.81 km) |
| Kastamonu to Gubbio | 1,088.37 mi (1,751.55 km) |
| Kastamonu to Guspini | 1,323.33 mi (2,129.69 km) |
| Kastamonu to Gussago | 1,214.92 mi (1,955.22 km) |
| Kastamonu to Iesi | 1,054.72 mi (1,697.41 km) |
| Kastamonu to Iesolo | 1,094.51 mi (1,761.44 km) |
| Kastamonu to Iglesias | 1,332.12 mi (2,143.84 km) |
