| Houston to Potenza Picena | 5,679.76 mi (9,140.68 km) |
| Houston to Pozzallo | 5,994.59 mi (9,647.35 km) |
| Houston to Pozzuoli | 5,800.37 mi (9,334.79 km) |
| Houston to Prato | 5,554.88 mi (8,939.72 km) |
| Houston to Preganziol | 5,537.73 mi (8,912.11 km) |
| Houston to Priolo Gargallo | 5,992.25 mi (9,643.59 km) |
| Houston to Priverno | 5,734.95 mi (9,229.50 km) |
| Houston to Pulsano | 5,955.65 mi (9,584.70 km) |
| Houston to Putignano | 5,926.61 mi (9,537.96 km) |
| Houston to Qualiano | 5,797.88 mi (9,330.79 km) |
| Houston to Quarrata | 5,551.35 mi (8,934.03 km) |
| Houston to Quartu Sant'Elena | 5,641.84 mi (9,079.67 km) |
| Houston to Quartucciu | 5,641.07 mi (9,078.43 km) |
| Houston to Quattro Castella | 5,500.81 mi (8,852.70 km) |
| Houston to Quinto di Treviso | 5,533.15 mi (8,904.74 km) |
