| Austin to Oswego (Illinois) | 944.99 mi (1,520.81 km) |
| Austin to Oswego (New York) | 1,477.57 mi (2,377.92 km) |
| Austin to Otsego (Minnesota) | 1,057.96 mi (1,702.62 km) |
| Austin to Ottawa (Illinois) | 911.76 mi (1,467.33 km) |
| Austin to Ottawa (Kansas) | 590.61 mi (950.49 km) |
| Austin to Ottumwa (Iowa) | 798.41 mi (1,284.92 km) |
| Austin to Overland (Missouri) | 715.85 mi (1,152.05 km) |
| Austin to Overland Park (Kansas) | 618.24 mi (994.96 km) |
| Austin to Overlea (Maryland) | 1,352.63 mi (2,176.85 km) |
| Austin to Oviedo (Florida) | 1,001.89 mi (1,612.38 km) |
| Austin to Owasso (Oklahoma) | 428.27 mi (689.24 km) |
| Austin to Owatonna (Minnesota) | 984.38 mi (1,584.20 km) |
| Austin to Owensboro (Kentucky) | 796.70 mi (1,282.17 km) |
| Austin to Owings Mills (Maryland) | 1,340.20 mi (2,156.84 km) |
| Austin to Owosso (Michigan) | 1,152.67 mi (1,855.04 km) |
