| Robstown to Oak Grove (South Carolina) | 1,067.09 mi (1,717.31 km) |
| Robstown to Oak Harbor (Washington) | 1,945.33 mi (3,130.71 km) |
| Robstown to Oak Hills (Oregon) | 1,843.01 mi (2,966.03 km) |
| Robstown to Oak Lawn (Illinois) | 1,112.57 mi (1,790.51 km) |
| Robstown to Oak Park (California) | 1,322.30 mi (2,128.04 km) |
| Robstown to Oak Park (Illinois) | 1,121.56 mi (1,804.97 km) |
| Robstown to Oak Park (Michigan) | 1,298.97 mi (2,090.49 km) |
| Robstown to Oak Ridge (Florida) | 990.61 mi (1,594.24 km) |
| Robstown to Oak Ridge (New Jersey) | 1,598.37 mi (2,572.33 km) |
| Robstown to Oak Ridge (Tennessee) | 965.11 mi (1,553.20 km) |
| Robstown to Oakdale (California) | 1,506.51 mi (2,424.50 km) |
| Robstown to Oakdale (Minnesota) | 1,215.88 mi (1,956.77 km) |
| Robstown to Oakland (California) | 1,577.67 mi (2,539.01 km) |
| Robstown to Oakland (New Jersey) | 1,610.19 mi (2,591.36 km) |
| Robstown to Oakland Park (Florida) | 1,083.32 mi (1,743.44 km) |
