| Cities | Distance |
|---|---|
| Portici to Grottaferrata | 109.48 mi (176.19 km) |
| Portici to Grottaglie | 163.23 mi (262.69 km) |
| Portici to Grottammare | 151.91 mi (244.48 km) |
| Portici to Grugliasco | 450.47 mi (724.96 km) |
| Portici to Grumo Appula | 123.90 mi (199.40 km) |
| Portici to Grumo Nevano | 8.76 mi (14.10 km) |
| Portici to Gualdo Tadino | 184.93 mi (297.62 km) |
| Portici to Guardiagrele | 95.59 mi (153.83 km) |
| Portici to Guastalla | 338.67 mi (545.03 km) |
| Portici to Gubbio | 197.07 mi (317.16 km) |
| Portici to Guspini | 314.09 mi (505.48 km) |
| Portici to Gussago | 391.83 mi (630.59 km) |
| Portici to Iesi | 195.15 mi (314.07 km) |
| Portici to Iesolo | 336.67 mi (541.82 km) |
| Portici to Iglesias | 324.10 mi (521.58 km) |