| Houston to Pontedera | 5,543.38 mi (8,921.21 km) |
| Houston to Pontinia | 5,731.23 mi (9,223.53 km) |
| Houston to Porcari | 5,536.10 mi (8,909.50 km) |
| Houston to Porcia | 5,539.42 mi (8,914.83 km) |
| Houston to Pordenone | 5,541.39 mi (8,918.00 km) |
| Houston to Portici | 5,809.91 mi (9,350.14 km) |
| Houston to Porto Empedocle | 5,912.59 mi (9,515.40 km) |
| Houston to Porto Recanati | 5,679.21 mi (9,139.81 km) |
| Houston to Porto Sant'Elpidio | 5,689.18 mi (9,155.85 km) |
| Houston to Porto Tolle | 5,565.58 mi (8,956.93 km) |
| Houston to Porto Torres | 5,548.86 mi (8,930.03 km) |
| Houston to Portoferraio | 5,560.99 mi (8,949.56 km) |
| Houston to Portogruaro | 5,555.07 mi (8,940.02 km) |
| Houston to Portomaggiore | 5,553.70 mi (8,937.82 km) |
| Houston to Potenza | 5,879.73 mi (9,462.51 km) |
