| Defiance to Oak Harbor (Washington) | 1,916.47 mi (3,084.26 km) |
| Defiance to Oak Hills (Oregon) | 1,934.54 mi (3,113.35 km) |
| Defiance to Oak Lawn (Illinois) | 177.80 mi (286.14 km) |
| Defiance to Oak Park (California) | 1,928.97 mi (3,104.38 km) |
| Defiance to Oak Park (Illinois) | 181.83 mi (292.63 km) |
| Defiance to Oak Park (Michigan) | 101.95 mi (164.07 km) |
| Defiance to Oak Ridge (Florida) | 900.47 mi (1,449.17 km) |
| Defiance to Oak Ridge (New Jersey) | 513.39 mi (826.22 km) |
| Defiance to Oak Ridge (Tennessee) | 367.42 mi (591.30 km) |
| Defiance to Oakdale (California) | 1,945.08 mi (3,130.30 km) |
| Defiance to Oakdale (Minnesota) | 503.12 mi (809.69 km) |
| Defiance to Oakland (California) | 2,015.25 mi (3,243.24 km) |
| Defiance to Oakland (New Jersey) | 526.70 mi (847.64 km) |
| Defiance to Oakland Park (Florida) | 1,070.87 mi (1,723.40 km) |
| Defiance to Oakleaf Plantation (Florida) | 780.71 mi (1,256.44 km) |
