| Formia to Gavirate | 400.42 mi (644.42 km) |
| Formia to Gavorrano | 179.94 mi (289.59 km) |
| Formia to Gela | 292.17 mi (470.19 km) |
| Formia to Gemona del Friuli | 347.45 mi (559.17 km) |
| Formia to Genoa | 321.63 mi (517.62 km) |
| Formia to Genzano di Roma | 56.51 mi (90.95 km) |
| Formia to Gessate | 362.76 mi (583.80 km) |
| Formia to Ghedi | 331.21 mi (533.04 km) |
| Formia to Giarre | 258.01 mi (415.23 km) |
| Formia to Giaveno | 409.36 mi (658.80 km) |
| Formia to Giffoni Valle Piana | 78.48 mi (126.30 km) |
| Formia to Ginosa | 172.02 mi (276.84 km) |
| Formia to Gioia del Colle | 175.83 mi (282.97 km) |
| Formia to Gioia Tauro | 230.18 mi (370.45 km) |
| Formia to Giovinazzo | 158.60 mi (255.24 km) |
