| Watford to Poljcane | 810.60 mi (1,304.54 km) |
| Watford to Polzela | 791.67 mi (1,274.07 km) |
| Watford to Postojna | 778.02 mi (1,252.10 km) |
| Watford to Prebold | 794.06 mi (1,277.92 km) |
| Watford to Preddvor | 764.84 mi (1,230.88 km) |
| Watford to Prevalje | 775.27 mi (1,247.68 km) |
| Watford to Ptuj | 818.34 mi (1,316.99 km) |
| Watford to Puconci | 819.75 mi (1,319.26 km) |
| Watford to Race | 809.52 mi (1,302.80 km) |
| Watford to Radece | 803.89 mi (1,293.74 km) |
| Watford to Radenci | 817.30 mi (1,315.32 km) |
| Watford to Radlje ob Dravi | 785.25 mi (1,263.74 km) |
| Watford to Radovljica | 753.61 mi (1,212.81 km) |
| Watford to Ravne na Koroskem | 777.37 mi (1,251.05 km) |
| Watford to Razkrizje | 831.69 mi (1,338.48 km) |
