| Watford to Haram | 798.84 mi (1,285.60 km) |
| Watford to Harstad | 1,309.07 mi (2,106.75 km) |
| Watford to Haugesund | 582.01 mi (936.66 km) |
| Watford to Helleland | 554.66 mi (892.63 km) |
| Watford to Heum | 657.37 mi (1,057.94 km) |
| Watford to Honefoss | 717.42 mi (1,154.58 km) |
| Watford to Horten | 681.73 mi (1,097.14 km) |
| Watford to Kaldsletta | 1,392.57 mi (2,241.13 km) |
| Watford to Kirkenes | 1,583.77 mi (2,548.83 km) |
| Watford to Kleppe | 545.34 mi (877.64 km) |
| Watford to Kongsberg | 676.64 mi (1,088.95 km) |
| Watford to Kongsvinger | 757.74 mi (1,219.46 km) |
| Watford to Kopervik | 571.66 mi (919.99 km) |
| Watford to Kosvik | 559.83 mi (900.96 km) |
| Watford to Kragero | 628.56 mi (1,011.57 km) |
