| Welwyn Garden City to Piazza Armerina | 1,222.38 mi (1,967.23 km) |
| Welwyn Garden City to Piazzola sul Brenta | 695.41 mi (1,119.16 km) |
| Welwyn Garden City to Pietrasanta | 725.09 mi (1,166.92 km) |
| Welwyn Garden City to Pieve di Soligo | 693.72 mi (1,116.43 km) |
| Welwyn Garden City to Pinerolo | 589.20 mi (948.22 km) |
| Welwyn Garden City to Pioltello | 614.61 mi (989.12 km) |
| Welwyn Garden City to Piombino | 790.22 mi (1,271.73 km) |
| Welwyn Garden City to Piombino Dese | 700.24 mi (1,126.92 km) |
| Welwyn Garden City to Piossasco | 586.80 mi (944.37 km) |
| Welwyn Garden City to Piove di Sacco | 716.10 mi (1,152.45 km) |
| Welwyn Garden City to Pisa | 743.12 mi (1,195.94 km) |
| Welwyn Garden City to Pisticci | 1,120.29 mi (1,802.94 km) |
| Welwyn Garden City to Pistoia | 747.43 mi (1,202.87 km) |
| Welwyn Garden City to Pizzo | 1,198.06 mi (1,928.10 km) |
| Welwyn Garden City to Podenzano | 654.51 mi (1,053.34 km) |
