| Houston to Piazza Armerina | 5,946.95 mi (9,570.69 km) |
| Houston to Piazzola sul Brenta | 5,521.24 mi (8,885.58 km) |
| Houston to Pietrasanta | 5,515.50 mi (8,876.34 km) |
| Houston to Pieve di Soligo | 5,524.41 mi (8,890.67 km) |
| Houston to Pinerolo | 5,359.85 mi (8,625.85 km) |
| Houston to Pioltello | 5,422.37 mi (8,726.46 km) |
| Houston to Piombino | 5,565.46 mi (8,956.74 km) |
| Houston to Piombino Dese | 5,527.91 mi (8,896.32 km) |
| Houston to Piossasco | 5,361.88 mi (8,629.11 km) |
| Houston to Piove di Sacco | 5,541.06 mi (8,917.47 km) |
| Houston to Pisa | 5,531.54 mi (8,902.15 km) |
| Houston to Pisticci | 5,921.77 mi (9,530.17 km) |
| Houston to Pistoia | 5,545.38 mi (8,924.42 km) |
| Houston to Pizzo | 5,972.44 mi (9,611.71 km) |
| Houston to Podenzano | 5,456.63 mi (8,781.60 km) |
