| Houston to Piedras Blancas | 4,808.04 mi (7,737.79 km) |
| Houston to Piera | 5,223.95 mi (8,407.14 km) |
| Houston to Pilar de la Horadada | 5,218.44 mi (8,398.27 km) |
| Houston to Pilas | 4,962.26 mi (7,985.98 km) |
| Houston to Pinos Puente | 5,091.08 mi (8,193.29 km) |
| Houston to Pinto | 5,006.17 mi (8,056.65 km) |
| Houston to Pizarra | 5,057.82 mi (8,139.77 km) |
| Houston to Plasencia | 4,896.94 mi (7,880.87 km) |
| Houston to Pola de Laviana | 4,836.05 mi (7,782.87 km) |
| Houston to Pola de Lena | 4,825.39 mi (7,765.72 km) |
| Houston to Pola de Siero | 4,827.80 mi (7,769.59 km) |
| Houston to Pollensa | 5,335.65 mi (8,586.89 km) |
| Houston to Ponferrada | 4,805.74 mi (7,734.09 km) |
| Houston to Pontevedra | 4,711.87 mi (7,583.01 km) |
| Houston to Portugalete | 4,951.00 mi (7,967.86 km) |
