| Austin to Odessa (Texas) | 292.80 mi (471.22 km) |
| Austin to Ogden (Utah) | 1,095.09 mi (1,762.37 km) |
| Austin to Oildale (California) | 1,281.81 mi (2,062.87 km) |
| Austin to Ojus (Florida) | 1,111.77 mi (1,789.22 km) |
| Austin to Okemos (Michigan) | 1,130.00 mi (1,818.55 km) |
| Austin to Oklahoma City (Oklahoma) | 357.28 mi (574.99 km) |
| Austin to Okmulgee (Oklahoma) | 380.76 mi (612.77 km) |
| Austin to Olathe (Kansas) | 615.92 mi (991.22 km) |
| Austin to Old Jamestown (Missouri) | 726.42 mi (1,169.06 km) |
| Austin to Oldsmar (Florida) | 922.34 mi (1,484.36 km) |
| Austin to Olean (New York) | 1,344.88 mi (2,164.37 km) |
| Austin to Olive Branch (Mississippi) | 561.18 mi (903.13 km) |
| Austin to Olivehurst (California) | 1,476.30 mi (2,375.88 km) |
| Austin to Olney (Maryland) | 1,319.56 mi (2,123.63 km) |
| Austin to Olympia (Washington) | 1,768.50 mi (2,846.12 km) |
