| Houten to Orangevale (California) | 5,389.26 mi (8,673.18 km) |
| Houten to Orchards (Washington) | 5,006.65 mi (8,057.43 km) |
| Houten to Orcutt (California) | 5,594.43 mi (9,003.36 km) |
| Houten to Oregon (Ohio) | 3,982.72 mi (6,409.57 km) |
| Houten to Oregon (Wisconsin) | 4,140.42 mi (6,663.37 km) |
| Houten to Oregon City (Oregon) | 5,028.82 mi (8,093.10 km) |
| Houten to Orem (Utah) | 5,021.11 mi (8,080.70 km) |
| Houten to Orinda (California) | 5,463.59 mi (8,792.80 km) |
| Houten to Orland Park (Illinois) | 4,149.29 mi (6,677.64 km) |
| Houten to Orlando (Florida) | 4,550.86 mi (7,323.91 km) |
| Houten to Ormond Beach (Florida) | 4,499.37 mi (7,241.04 km) |
| Houten to Oro Valley (Arizona) | 5,446.10 mi (8,764.65 km) |
| Houten to Oroville (California) | 5,350.16 mi (8,610.25 km) |
| Houten to Oshkosh (Wisconsin) | 4,057.70 mi (6,530.24 km) |
| Houten to Oskaloosa (Iowa) | 4,337.47 mi (6,980.49 km) |
