| Watford to Gorlice | 950.71 mi (1,530.03 km) |
| Watford to Gorzow Wielkopolski | 665.48 mi (1,070.99 km) |
| Watford to Gostyn | 742.75 mi (1,195.33 km) |
| Watford to Gostynin | 843.20 mi (1,357.00 km) |
| Watford to Grajewo | 963.17 mi (1,550.08 km) |
| Watford to Grodek Nad Dunajcem | 930.19 mi (1,496.99 km) |
| Watford to Grodzisk Mazowiecki | 894.24 mi (1,439.14 km) |
| Watford to Grodzisk Wielkopolski | 713.45 mi (1,148.19 km) |
| Watford to Grojec | 906.21 mi (1,458.41 km) |
| Watford to Grudziadz | 811.56 mi (1,306.08 km) |
| Watford to Gryfice | 668.60 mi (1,076.01 km) |
| Watford to Gryfino | 635.10 mi (1,022.10 km) |
| Watford to Gubin | 644.84 mi (1,037.78 km) |
| Watford to Hajnowka | 1,013.59 mi (1,631.22 km) |
| Watford to Hrubieszow | 1,047.07 mi (1,685.09 km) |
