| Leander to Oswego (Illinois) | 932.37 mi (1,500.50 km) |
| Leander to Oswego (New York) | 1,469.36 mi (2,364.70 km) |
| Leander to Otsego (Minnesota) | 1,040.79 mi (1,674.99 km) |
| Leander to Ottawa (Illinois) | 899.02 mi (1,446.84 km) |
| Leander to Ottawa (Kansas) | 573.88 mi (923.56 km) |
| Leander to Ottumwa (Iowa) | 783.17 mi (1,260.39 km) |
| Leander to Overland (Missouri) | 704.05 mi (1,133.05 km) |
| Leander to Overland Park (Kansas) | 601.96 mi (968.76 km) |
| Leander to Overlea (Maryland) | 1,347.88 mi (2,169.20 km) |
| Leander to Oviedo (Florida) | 1,009.34 mi (1,624.38 km) |
| Leander to Owasso (Oklahoma) | 411.83 mi (662.78 km) |
| Leander to Owatonna (Minnesota) | 967.62 mi (1,557.24 km) |
| Leander to Owensboro (Kentucky) | 788.81 mi (1,269.46 km) |
| Leander to Owings Mills (Maryland) | 1,335.32 mi (2,149.00 km) |
| Leander to Owosso (Michigan) | 1,141.60 mi (1,837.23 km) |
