| Irthlingborough to Ovidiu | 1,439.46 mi (2,316.59 km) |
| Irthlingborough to Pantelimon | 1,335.21 mi (2,148.82 km) |
| Irthlingborough to Pascani | 1,260.53 mi (2,028.63 km) |
| Irthlingborough to Pechea | 1,358.39 mi (2,186.12 km) |
| Irthlingborough to Pecica | 1,061.20 mi (1,707.84 km) |
| Irthlingborough to Petrila | 1,183.57 mi (1,904.77 km) |
| Irthlingborough to Petrosani | 1,183.06 mi (1,903.94 km) |
| Irthlingborough to Piatra Neamt | 1,255.57 mi (2,020.64 km) |
| Irthlingborough to Pitesti | 1,264.93 mi (2,035.70 km) |
| Irthlingborough to Ploiesti | 1,309.41 mi (2,107.30 km) |
| Irthlingborough to Podu Iloaiei | 1,284.23 mi (2,066.76 km) |
| Irthlingborough to Poiana Mare | 1,229.16 mi (1,978.15 km) |
| Irthlingborough to Poienile de sub Munte | 1,147.11 mi (1,846.10 km) |
| Irthlingborough to Popesti-Leordeni | 1,336.66 mi (2,151.15 km) |
| Irthlingborough to Pucioasa | 1,280.22 mi (2,060.32 km) |
