| Houston to River Ridge (Louisiana) | 309.85 mi (498.66 km) |
| Houston to Riverbank (California) | 1,561.00 mi (2,512.18 km) |
| Houston to Riverdale (Georgia) | 695.82 mi (1,119.82 km) |
| Houston to Riverdale (Illinois) | 926.59 mi (1,491.20 km) |
| Houston to Riverside (California) | 1,320.09 mi (2,124.48 km) |
| Houston to Riverside (Ohio) | 939.64 mi (1,512.21 km) |
| Houston to Riverton (Utah) | 1,190.86 mi (1,916.51 km) |
| Houston to Riverton (Wyoming) | 1,164.68 mi (1,874.37 km) |
| Houston to Riverview (Florida) | 803.36 mi (1,292.88 km) |
| Houston to Riverview (Michigan) | 1,091.77 mi (1,757.03 km) |
| Houston to Riviera Beach (Florida) | 953.84 mi (1,535.05 km) |
| Houston to Riviera Beach (Maryland) | 1,250.78 mi (2,012.94 km) |
| Houston to Roanoke (Virginia) | 1,026.51 mi (1,652.00 km) |
| Houston to Roanoke Rapids (North Carolina) | 1,122.66 mi (1,806.74 km) |
| Houston to Robbinsdale (Minnesota) | 1,058.92 mi (1,704.16 km) |
