| Wilmington to Oak Grove (South Carolina) | 187.22 mi (301.30 km) |
| Wilmington to Oak Harbor (Washington) | 2,477.33 mi (3,986.88 km) |
| Wilmington to Oak Hills (Oregon) | 2,472.73 mi (3,979.48 km) |
| Wilmington to Oak Lawn (Illinois) | 745.81 mi (1,200.27 km) |
| Wilmington to Oak Park (California) | 2,320.02 mi (3,733.72 km) |
| Wilmington to Oak Park (Illinois) | 755.13 mi (1,215.26 km) |
| Wilmington to Oak Park (Michigan) | 638.17 mi (1,027.03 km) |
| Wilmington to Oak Ridge (Florida) | 447.72 mi (720.54 km) |
| Wilmington to Oak Ridge (New Jersey) | 506.45 mi (815.05 km) |
| Wilmington to Oak Ridge (Tennessee) | 381.89 mi (614.59 km) |
| Wilmington to Oakdale (California) | 2,393.30 mi (3,851.65 km) |
| Wilmington to Oakdale (Minnesota) | 1,091.57 mi (1,756.71 km) |
| Wilmington to Oakland (California) | 2,467.16 mi (3,970.51 km) |
| Wilmington to Oakland (New Jersey) | 511.67 mi (823.46 km) |
| Wilmington to Oakland Park (Florida) | 571.16 mi (919.19 km) |
