| Harrow to Piazza Armerina | 1,215.21 mi (1,955.69 km) |
| Harrow to Piazzola sul Brenta | 692.51 mi (1,114.48 km) |
| Harrow to Pietrasanta | 719.20 mi (1,157.44 km) |
| Harrow to Pieve di Soligo | 691.56 mi (1,112.95 km) |
| Harrow to Pinerolo | 581.50 mi (935.84 km) |
| Harrow to Pioltello | 609.59 mi (981.04 km) |
| Harrow to Piombino | 783.70 mi (1,261.25 km) |
| Harrow to Piombino Dese | 697.60 mi (1,122.68 km) |
| Harrow to Piossasco | 579.35 mi (932.37 km) |
| Harrow to Piove di Sacco | 713.12 mi (1,147.65 km) |
| Harrow to Pisa | 737.17 mi (1,186.37 km) |
| Harrow to Pisticci | 1,116.07 mi (1,796.14 km) |
| Harrow to Pistoia | 742.11 mi (1,194.30 km) |
| Harrow to Pizzo | 1,192.63 mi (1,919.35 km) |
| Harrow to Podenzano | 649.18 mi (1,044.75 km) |
