| Grantham to Pontedera | 821.06 mi (1,321.37 km) |
| Grantham to Pontinia | 1,018.94 mi (1,639.83 km) |
| Grantham to Porcari | 810.47 mi (1,304.33 km) |
| Grantham to Porcia | 762.98 mi (1,227.89 km) |
| Grantham to Pordenone | 764.93 mi (1,231.04 km) |
| Grantham to Portici | 1,090.71 mi (1,755.32 km) |
| Grantham to Porto Empedocle | 1,276.44 mi (2,054.23 km) |
| Grantham to Porto Recanati | 926.21 mi (1,490.60 km) |
| Grantham to Porto Sant'Elpidio | 937.74 mi (1,509.15 km) |
| Grantham to Porto Tolle | 803.27 mi (1,292.74 km) |
| Grantham to Porto Torres | 935.86 mi (1,506.12 km) |
| Grantham to Portoferraio | 861.03 mi (1,385.70 km) |
| Grantham to Portogruaro | 779.27 mi (1,254.12 km) |
| Grantham to Portomaggiore | 799.57 mi (1,286.78 km) |
| Grantham to Potenza | 1,145.88 mi (1,844.12 km) |
