| Formia to Galapagar | 919.48 mi (1,479.76 km) |
| Formia to Galdacano | 851.40 mi (1,370.20 km) |
| Formia to Gandia | 745.41 mi (1,199.63 km) |
| Formia to Garrucha | 871.68 mi (1,402.84 km) |
| Formia to Gava | 602.47 mi (969.58 km) |
| Formia to Gelves | 1,081.74 mi (1,740.90 km) |
| Formia to Getafe | 908.46 mi (1,462.02 km) |
| Formia to Gibraleon | 1,129.78 mi (1,818.20 km) |
| Formia to Gijon | 995.62 mi (1,602.29 km) |
| Formia to Gines | 1,083.59 mi (1,743.86 km) |
| Formia to Girona | 559.61 mi (900.61 km) |
| Formia to Godella | 747.14 mi (1,202.40 km) |
| Formia to Gondomar | 1,152.79 mi (1,855.23 km) |
| Formia to Grado | 1,014.00 mi (1,631.87 km) |
| Formia to Granada | 962.02 mi (1,548.22 km) |
