| Westmont to Oak Grove (South Carolina) | 2,117.31 mi (3,407.49 km) |
| Westmont to Oak Harbor (Washington) | 1,016.68 mi (1,636.19 km) |
| Westmont to Oak Hills (Oregon) | 836.53 mi (1,346.27 km) |
| Westmont to Oak Lawn (Illinois) | 1,740.90 mi (2,801.71 km) |
| Westmont to Oak Park (California) | 31.48 mi (50.67 km) |
| Westmont to Oak Park (Illinois) | 1,740.70 mi (2,801.38 km) |
| Westmont to Oak Park (Michigan) | 1,979.68 mi (3,185.99 km) |
| Westmont to Oak Ridge (Florida) | 2,200.26 mi (3,540.97 km) |
| Westmont to Oak Ridge (New Jersey) | 2,424.88 mi (3,902.46 km) |
| Westmont to Oak Ridge (Tennessee) | 1,921.24 mi (3,091.94 km) |
| Westmont to Oakdale (California) | 299.93 mi (482.69 km) |
| Westmont to Oakdale (Minnesota) | 1,542.66 mi (2,482.67 km) |
| Westmont to Oakland (California) | 344.54 mi (554.49 km) |
| Westmont to Oakland (New Jersey) | 2,438.22 mi (3,923.94 km) |
| Westmont to Oakland Park (Florida) | 2,329.46 mi (3,748.91 km) |
