| Barton upon Humber to Poggibonsi | 880.53 mi (1,417.08 km) |
| Barton upon Humber to Poggio a Caiano | 857.99 mi (1,380.80 km) |
| Barton upon Humber to Poggio Renatico | 816.16 mi (1,313.48 km) |
| Barton upon Humber to Poggiomarino | 1,129.82 mi (1,818.27 km) |
| Barton upon Humber to Poirino | 710.46 mi (1,143.38 km) |
| Barton upon Humber to Policoro | 1,226.33 mi (1,973.58 km) |
| Barton upon Humber to Polistena | 1,313.21 mi (2,113.41 km) |
| Barton upon Humber to Pomezia | 1,022.31 mi (1,645.25 km) |
| Barton upon Humber to Pomigliano d'Arco | 1,118.79 mi (1,800.52 km) |
| Barton upon Humber to Pompei | 1,131.30 mi (1,820.65 km) |
| Barton upon Humber to Ponsacco | 857.94 mi (1,380.72 km) |
| Barton upon Humber to Pontassieve | 870.64 mi (1,401.16 km) |
| Barton upon Humber to Ponte Buggianese | 847.91 mi (1,364.58 km) |
| Barton upon Humber to Ponte San Pietro | 709.75 mi (1,142.24 km) |
| Barton upon Humber to Pontecorvo | 1,066.43 mi (1,716.25 km) |
