| New Port Richey to Oak Harbor (Washington) | 2,528.70 mi (4,069.54 km) |
| New Port Richey to Oak Hills (Oregon) | 2,483.55 mi (3,996.89 km) |
| New Port Richey to Oak Lawn (Illinois) | 972.69 mi (1,565.40 km) |
| New Port Richey to Oak Park (California) | 2,157.82 mi (3,472.68 km) |
| New Port Richey to Oak Park (Illinois) | 984.66 mi (1,584.65 km) |
| New Port Richey to Oak Park (Michigan) | 982.72 mi (1,581.54 km) |
| New Port Richey to Oak Ridge (Florida) | 80.57 mi (129.67 km) |
| New Port Richey to Oak Ridge (New Jersey) | 998.19 mi (1,606.44 km) |
| New Port Richey to Oak Ridge (Tennessee) | 541.10 mi (870.82 km) |
| New Port Richey to Oakdale (California) | 2,287.59 mi (3,681.52 km) |
| New Port Richey to Oakdale (Minnesota) | 1,286.23 mi (2,069.99 km) |
| New Port Richey to Oakland (California) | 2,362.30 mi (3,801.75 km) |
| New Port Richey to Oakland (New Jersey) | 1,004.96 mi (1,617.33 km) |
| New Port Richey to Oakland Park (Florida) | 212.72 mi (342.35 km) |
| New Port Richey to Oakleaf Plantation (Florida) | 143.09 mi (230.28 km) |
