| Portici to Gavardo | 383.48 mi (617.15 km) |
| Portici to Gavirate | 447.74 mi (720.57 km) |
| Portici to Gavorrano | 228.70 mi (368.06 km) |
| Portici to Gela | 259.35 mi (417.39 km) |
| Portici to Gemona del Friuli | 382.30 mi (615.25 km) |
| Portici to Genoa | 370.25 mi (595.86 km) |
| Portici to Genzano di Roma | 105.11 mi (169.16 km) |
| Portici to Gessate | 409.64 mi (659.26 km) |
| Portici to Ghedi | 376.97 mi (606.67 km) |
| Portici to Giarre | 217.95 mi (350.76 km) |
| Portici to Giaveno | 458.09 mi (737.22 km) |
| Portici to Giffoni Valle Piana | 31.80 mi (51.17 km) |
| Portici to Ginosa | 128.17 mi (206.27 km) |
| Portici to Gioia del Colle | 135.56 mi (218.17 km) |
| Portici to Gioia Tauro | 184.57 mi (297.04 km) |
