| Houten to Oswego (Illinois) | 4,162.97 mi (6,699.65 km) |
| Houten to Oswego (New York) | 3,636.59 mi (5,852.53 km) |
| Houten to Otsego (Minnesota) | 4,173.43 mi (6,716.48 km) |
| Houten to Ottawa (Illinois) | 4,196.86 mi (6,754.20 km) |
| Houten to Ottawa (Kansas) | 4,568.55 mi (7,352.37 km) |
| Houten to Ottumwa (Iowa) | 4,343.29 mi (6,989.84 km) |
| Houten to Overland (Missouri) | 4,385.79 mi (7,058.24 km) |
| Houten to Overland Park (Kansas) | 4,533.07 mi (7,295.28 km) |
| Houten to Overlea (Maryland) | 3,823.12 mi (6,152.71 km) |
| Houten to Oviedo (Florida) | 4,535.51 mi (7,299.20 km) |
| Houten to Owasso (Oklahoma) | 4,709.52 mi (7,579.24 km) |
| Houten to Owatonna (Minnesota) | 4,218.28 mi (6,788.67 km) |
| Houten to Owensboro (Kentucky) | 4,311.17 mi (6,938.17 km) |
| Houten to Owings Mills (Maryland) | 3,831.73 mi (6,166.58 km) |
| Houten to Owosso (Michigan) | 3,947.07 mi (6,352.20 km) |
