| Houston to Pittsburg (Kansas) | 528.46 mi (850.47 km) |
| Houston to Pittsburgh (Pennsylvania) | 1,137.40 mi (1,830.47 km) |
| Houston to Pittsfield (Massachusetts) | 1,506.09 mi (2,423.81 km) |
| Houston to Placentia (California) | 1,345.90 mi (2,166.02 km) |
| Houston to Placerville (California) | 1,570.39 mi (2,527.30 km) |
| Houston to Plainfield (Illinois) | 910.29 mi (1,464.96 km) |
| Houston to Plainfield (Indiana) | 853.87 mi (1,374.17 km) |
| Houston to Plainfield (New Jersey) | 1,395.09 mi (2,245.18 km) |
| Houston to Plainview (New York) | 1,444.67 mi (2,324.97 km) |
| Houston to Plainview (Texas) | 479.87 mi (772.27 km) |
| Houston to Plano (Illinois) | 906.34 mi (1,458.61 km) |
| Houston to Plano (Texas) | 239.36 mi (385.21 km) |
| Houston to Plant City (Florida) | 811.40 mi (1,305.82 km) |
| Houston to Plantation (Florida) | 956.36 mi (1,539.11 km) |
| Houston to Platteville (Wisconsin) | 934.83 mi (1,504.46 km) |
