| Watford to Gaeta | 977.62 mi (1,573.32 km) |
| Watford to Gaggiano | 609.55 mi (980.98 km) |
| Watford to Galatina | 1,188.09 mi (1,912.04 km) |
| Watford to Galatone | 1,185.42 mi (1,907.75 km) |
| Watford to Galbiate | 600.98 mi (967.19 km) |
| Watford to Gallarate | 588.30 mi (946.78 km) |
| Watford to Galliate | 594.78 mi (957.20 km) |
| Watford to Gallipoli | 1,187.67 mi (1,911.37 km) |
| Watford to Gambettola | 784.86 mi (1,263.11 km) |
| Watford to Gambolo | 611.76 mi (984.53 km) |
| Watford to Garbagnate Milanese | 602.21 mi (969.16 km) |
| Watford to Gardone Val Trompia | 633.92 mi (1,020.20 km) |
| Watford to Garlasco | 616.48 mi (992.13 km) |
| Watford to Gassino Torinese | 587.20 mi (945.01 km) |
| Watford to Gatteo | 787.41 mi (1,267.22 km) |
