| Houston to Petersburg (Virginia) | 1,154.06 mi (1,857.28 km) |
| Houston to Pflugerville (Texas) | 140.04 mi (225.37 km) |
| Houston to Pharr (Texas) | 302.79 mi (487.30 km) |
| Houston to Phelan (California) | 1,331.78 mi (2,143.30 km) |
| Houston to Phenix City (Alabama) | 639.85 mi (1,029.74 km) |
| Houston to Philadelphia (Pennsylvania) | 1,342.80 mi (2,161.03 km) |
| Houston to Phillipsburg (New Jersey) | 1,361.43 mi (2,191.01 km) |
| Houston to Phoenix (Arizona) | 1,014.92 mi (1,633.36 km) |
| Houston to Phoenixville (Pennsylvania) | 1,328.31 mi (2,137.70 km) |
| Houston to Picayune (Mississippi) | 345.31 mi (555.73 km) |
| Houston to Pickerington (Ohio) | 997.79 mi (1,605.79 km) |
| Houston to Pico Rivera (California) | 1,360.01 mi (2,188.72 km) |
| Houston to Piedmont (California) | 1,631.06 mi (2,624.94 km) |
| Houston to Pierre (South Dakota) | 1,043.48 mi (1,679.31 km) |
| Houston to Pike Creek Valley (Delaware) | 1,307.48 mi (2,104.18 km) |
