| Welwyn Garden City to Pandino | 626.75 mi (1,008.65 km) |
| Welwyn Garden City to Paola | 1,158.55 mi (1,864.50 km) |
| Welwyn Garden City to Parabiago | 599.32 mi (964.51 km) |
| Welwyn Garden City to Parabita | 1,191.90 mi (1,918.18 km) |
| Welwyn Garden City to Parma | 682.86 mi (1,098.95 km) |
| Welwyn Garden City to Partanna | 1,161.37 mi (1,869.05 km) |
| Welwyn Garden City to Partinico | 1,148.13 mi (1,847.73 km) |
| Welwyn Garden City to Pasian di Prato | 724.79 mi (1,166.44 km) |
| Welwyn Garden City to Paterno | 1,226.75 mi (1,974.27 km) |
| Welwyn Garden City to Patti | 1,195.27 mi (1,923.60 km) |
| Welwyn Garden City to Paullo | 621.07 mi (999.51 km) |
| Welwyn Garden City to Pavia | 625.51 mi (1,006.65 km) |
| Welwyn Garden City to Pavullo nel Frignano | 723.62 mi (1,164.56 km) |
| Welwyn Garden City to Pedara | 1,228.67 mi (1,977.35 km) |
| Welwyn Garden City to Pellezzano | 1,042.84 mi (1,678.29 km) |
