| Seal Beach to Oak Grove (South Carolina) | 2,106.76 mi (3,390.50 km) |
| Seal Beach to Oak Harbor (Washington) | 1,032.03 mi (1,660.90 km) |
| Seal Beach to Oak Hills (Oregon) | 852.56 mi (1,372.06 km) |
| Seal Beach to Oak Lawn (Illinois) | 1,735.06 mi (2,792.30 km) |
| Seal Beach to Oak Park (California) | 49.74 mi (80.05 km) |
| Seal Beach to Oak Park (Illinois) | 1,734.98 mi (2,792.18 km) |
| Seal Beach to Oak Park (Michigan) | 1,974.06 mi (3,176.95 km) |
| Seal Beach to Oak Ridge (Florida) | 2,187.13 mi (3,519.84 km) |
| Seal Beach to Oak Ridge (New Jersey) | 2,418.33 mi (3,891.92 km) |
| Seal Beach to Oak Ridge (Tennessee) | 1,911.58 mi (3,076.39 km) |
| Seal Beach to Oakdale (California) | 317.59 mi (511.11 km) |
| Seal Beach to Oakdale (Minnesota) | 1,540.04 mi (2,478.45 km) |
| Seal Beach to Oakland (California) | 362.91 mi (584.05 km) |
| Seal Beach to Oakland (New Jersey) | 2,431.68 mi (3,913.41 km) |
| Seal Beach to Oakland Park (Florida) | 2,315.62 mi (3,726.63 km) |
