| Oakton to Oswego (Illinois) | 612.33 mi (985.45 km) |
| Oakton to Oswego (New York) | 318.00 mi (511.78 km) |
| Oakton to Otsego (Minnesota) | 943.34 mi (1,518.16 km) |
| Oakton to Ottawa (Illinois) | 631.73 mi (1,016.68 km) |
| Oakton to Ottawa (Kansas) | 966.60 mi (1,555.59 km) |
| Oakton to Ottumwa (Iowa) | 812.99 mi (1,308.39 km) |
| Oakton to Overland (Missouri) | 703.23 mi (1,131.74 km) |
| Oakton to Overland Park (Kansas) | 933.58 mi (1,502.45 km) |
| Oakton to Overlea (Maryland) | 53.34 mi (85.85 km) |
| Oakton to Oviedo (Florida) | 741.05 mi (1,192.60 km) |
| Oakton to Owasso (Oklahoma) | 1,028.43 mi (1,655.09 km) |
| Oakton to Owatonna (Minnesota) | 897.46 mi (1,444.32 km) |
| Oakton to Owensboro (Kentucky) | 537.50 mi (865.02 km) |
| Oakton to Owings Mills (Maryland) | 45.30 mi (72.91 km) |
| Oakton to Owosso (Michigan) | 457.16 mi (735.73 km) |
