| Grantham to Poggibonsi | 847.04 mi (1,363.18 km) |
| Grantham to Poggio a Caiano | 825.00 mi (1,327.71 km) |
| Grantham to Poggio Renatico | 786.11 mi (1,265.13 km) |
| Grantham to Poggiomarino | 1,098.10 mi (1,767.22 km) |
| Grantham to Poirino | 672.59 mi (1,082.43 km) |
| Grantham to Policoro | 1,197.19 mi (1,926.69 km) |
| Grantham to Polistena | 1,280.67 mi (2,061.04 km) |
| Grantham to Pomezia | 988.34 mi (1,590.58 km) |
| Grantham to Pomigliano d'Arco | 1,086.99 mi (1,749.35 km) |
| Grantham to Pompei | 1,099.42 mi (1,769.35 km) |
| Grantham to Ponsacco | 823.67 mi (1,325.58 km) |
| Grantham to Pontassieve | 838.33 mi (1,349.16 km) |
| Grantham to Ponte Buggianese | 814.31 mi (1,310.51 km) |
| Grantham to Ponte San Pietro | 677.75 mi (1,090.73 km) |
| Grantham to Pontecorvo | 1,034.22 mi (1,664.41 km) |
