| Houston to Punta Gorda (Florida) | 834.75 mi (1,343.41 km) |
| Houston to Puyallup (Washington) | 1,870.47 mi (3,010.23 km) |
| Houston to Queen Creek (Arizona) | 984.18 mi (1,583.89 km) |
| Houston to Queens (New York) | 1,428.31 mi (2,298.65 km) |
| Houston to Quincy (Illinois) | 736.81 mi (1,185.79 km) |
| Houston to Quincy (Massachusetts) | 1,602.41 mi (2,578.83 km) |
| Houston to Raceland (Louisiana) | 285.06 mi (458.76 km) |
| Houston to Racine (Wisconsin) | 987.71 mi (1,589.57 km) |
| Houston to Radcliff (Kentucky) | 775.44 mi (1,247.96 km) |
| Houston to Radford (Virginia) | 992.09 mi (1,596.62 km) |
| Houston to Rahway (New Jersey) | 1,401.24 mi (2,255.07 km) |
| Houston to Raleigh (North Carolina) | 1,056.51 mi (1,700.29 km) |
| Houston to Ramona (California) | 1,284.55 mi (2,067.28 km) |
| Houston to Ramsey (Minnesota) | 1,074.44 mi (1,729.15 km) |
| Houston to Ramsey (New Jersey) | 1,421.30 mi (2,287.36 km) |
