| Watford to Paimio | 1,069.64 mi (1,721.42 km) |
| Watford to Pargas | 1,052.92 mi (1,694.51 km) |
| Watford to Pedersore | 1,177.98 mi (1,895.77 km) |
| Watford to Pieksamaki | 1,255.38 mi (2,020.35 km) |
| Watford to Pirkkala | 1,128.32 mi (1,815.85 km) |
| Watford to Pori | 1,074.71 mi (1,729.58 km) |
| Watford to Porvoo | 1,161.98 mi (1,870.03 km) |
| Watford to Poytya | 1,074.28 mi (1,728.88 km) |
| Watford to Raahe | 1,261.30 mi (2,029.87 km) |
| Watford to Raisio | 1,054.26 mi (1,696.66 km) |
| Watford to Raseborg | 1,080.06 mi (1,738.19 km) |
| Watford to Rauma | 1,054.35 mi (1,696.80 km) |
| Watford to Riihimaki | 1,141.81 mi (1,837.56 km) |
| Watford to Rovaniemi | 1,362.66 mi (2,192.98 km) |
| Watford to Saaminki | 1,297.12 mi (2,087.52 km) |
