| Welwyn Garden City to Ovidiu | 1,415.30 mi (2,277.71 km) |
| Welwyn Garden City to Pantelimon | 1,309.83 mi (2,107.97 km) |
| Welwyn Garden City to Pascani | 1,239.83 mi (1,995.32 km) |
| Welwyn Garden City to Pechea | 1,335.70 mi (2,149.60 km) |
| Welwyn Garden City to Pecica | 1,035.03 mi (1,665.72 km) |
| Welwyn Garden City to Petrila | 1,157.84 mi (1,863.36 km) |
| Welwyn Garden City to Petrosani | 1,157.23 mi (1,862.39 km) |
| Welwyn Garden City to Piatra Neamt | 1,234.11 mi (1,986.11 km) |
| Welwyn Garden City to Pitesti | 1,239.27 mi (1,994.41 km) |
| Welwyn Garden City to Ploiesti | 1,284.61 mi (2,067.39 km) |
| Welwyn Garden City to Podu Iloaiei | 1,263.77 mi (2,033.85 km) |
| Welwyn Garden City to Poiana Mare | 1,201.01 mi (1,932.84 km) |
| Welwyn Garden City to Poienile de sub Munte | 1,126.14 mi (1,812.35 km) |
| Welwyn Garden City to Popesti-Leordeni | 1,311.17 mi (2,110.12 km) |
| Welwyn Garden City to Pucioasa | 1,255.24 mi (2,020.12 km) |
