| Austin to Oerlinghausen | 5,230.20 mi (8,417.20 km) |
| Austin to Oestrich-Winkel | 5,275.92 mi (8,490.77 km) |
| Austin to Offenburg | 5,328.49 mi (8,575.37 km) |
| Austin to Oftersheim | 5,320.92 mi (8,563.20 km) |
| Austin to Ohrdruf | 5,347.46 mi (8,605.90 km) |
| Austin to Ohringen | 5,362.13 mi (8,629.52 km) |
| Austin to Olbernhau | 5,448.05 mi (8,767.79 km) |
| Austin to Olching | 5,469.26 mi (8,801.93 km) |
| Austin to Oldenburg | 5,172.02 mi (8,323.57 km) |
| Austin to Oldenburg in Holstein | 5,223.29 mi (8,406.08 km) |
| Austin to Olfen | 5,192.03 mi (8,355.76 km) |
| Austin to Olpe | 5,233.39 mi (8,422.33 km) |
| Austin to Olsberg | 5,245.61 mi (8,441.99 km) |
| Austin to Oranienburg | 5,362.75 mi (8,630.51 km) |
| Austin to Ortenberg | 5,302.84 mi (8,534.10 km) |
