| Thornton to Pontedera | 899.16 mi (1,447.05 km) |
| Thornton to Pontinia | 1,096.95 mi (1,765.37 km) |
| Thornton to Porcari | 888.52 mi (1,429.94 km) |
| Thornton to Porcia | 838.11 mi (1,348.81 km) |
| Thornton to Pordenone | 840.05 mi (1,351.94 km) |
| Thornton to Portici | 1,168.48 mi (1,880.49 km) |
| Thornton to Porto Empedocle | 1,354.70 mi (2,180.18 km) |
| Thornton to Porto Recanati | 1,003.05 mi (1,614.25 km) |
| Thornton to Porto Sant'Elpidio | 1,014.63 mi (1,632.89 km) |
| Thornton to Porto Tolle | 879.79 mi (1,415.89 km) |
| Thornton to Porto Torres | 1,013.31 mi (1,630.76 km) |
| Thornton to Portoferraio | 939.30 mi (1,511.66 km) |
| Thornton to Portogruaro | 854.45 mi (1,375.11 km) |
| Thornton to Portomaggiore | 876.64 mi (1,410.82 km) |
| Thornton to Potenza | 1,223.14 mi (1,968.45 km) |
