| Harrow to Pandino | 621.80 mi (1,000.70 km) |
| Harrow to Paola | 1,153.39 mi (1,856.20 km) |
| Harrow to Parabiago | 594.00 mi (955.95 km) |
| Harrow to Parabita | 1,188.37 mi (1,912.49 km) |
| Harrow to Parma | 677.92 mi (1,091.01 km) |
| Harrow to Partanna | 1,153.46 mi (1,856.32 km) |
| Harrow to Partinico | 1,140.50 mi (1,835.46 km) |
| Harrow to Pasian di Prato | 723.57 mi (1,164.48 km) |
| Harrow to Paterno | 1,219.98 mi (1,963.37 km) |
| Harrow to Patti | 1,188.81 mi (1,913.20 km) |
| Harrow to Paullo | 616.01 mi (991.36 km) |
| Harrow to Pavia | 619.94 mi (997.70 km) |
| Harrow to Pavullo nel Frignano | 718.62 mi (1,156.51 km) |
| Harrow to Pedara | 1,222.02 mi (1,966.64 km) |
| Harrow to Pellezzano | 1,037.75 mi (1,670.10 km) |
