| Houston to Red Bank (New Jersey) | 1,403.77 mi (2,259.15 km) |
| Houston to Red Bank (Tennessee) | 693.44 mi (1,115.98 km) |
| Houston to Red Bluff (California) | 1,672.22 mi (2,691.17 km) |
| Houston to Red Hill (South Carolina) | 999.38 mi (1,608.34 km) |
| Houston to Red Oak (Texas) | 206.27 mi (331.95 km) |
| Houston to Red Wing (Minnesota) | 1,033.54 mi (1,663.32 km) |
| Houston to Redan (Georgia) | 713.18 mi (1,147.75 km) |
| Houston to Redding (California) | 1,686.60 mi (2,714.32 km) |
| Houston to Redland (Maryland) | 1,220.01 mi (1,963.42 km) |
| Houston to Redlands (California) | 1,308.29 mi (2,105.48 km) |
| Houston to Redmond (Oregon) | 1,727.08 mi (2,779.47 km) |
| Houston to Redmond (Washington) | 1,881.16 mi (3,027.43 km) |
| Houston to Redondo Beach (California) | 1,375.50 mi (2,213.65 km) |
| Houston to Redwood City (California) | 1,626.39 mi (2,617.42 km) |
| Houston to Reedley (California) | 1,463.83 mi (2,355.81 km) |
