| Gig Harbor to Oak Harbor (Washington) | 66.43 mi (106.92 km) |
| Gig Harbor to Oak Hills (Oregon) | 124.55 mi (200.44 km) |
| Gig Harbor to Oak Lawn (Illinois) | 1,744.27 mi (2,807.12 km) |
| Gig Harbor to Oak Park (California) | 930.12 mi (1,496.89 km) |
| Gig Harbor to Oak Park (Illinois) | 1,737.54 mi (2,796.30 km) |
| Gig Harbor to Oak Park (Michigan) | 1,936.76 mi (3,116.92 km) |
| Gig Harbor to Oak Ridge (Florida) | 2,554.43 mi (4,110.96 km) |
| Gig Harbor to Oak Ridge (New Jersey) | 2,383.56 mi (3,835.97 km) |
| Gig Harbor to Oak Ridge (Tennessee) | 2,102.12 mi (3,383.04 km) |
| Gig Harbor to Oakdale (California) | 667.38 mi (1,074.04 km) |
| Gig Harbor to Oakdale (Minnesota) | 1,418.65 mi (2,283.10 km) |
| Gig Harbor to Oakland (California) | 659.76 mi (1,061.79 km) |
| Gig Harbor to Oakland (New Jersey) | 2,395.49 mi (3,855.17 km) |
| Gig Harbor to Oakland Park (Florida) | 2,719.29 mi (4,376.28 km) |
| Gig Harbor to Oakleaf Plantation (Florida) | 2,458.22 mi (3,956.12 km) |
