| Conwy to Oak Harbor (Washington) | 4,559.89 mi (7,338.43 km) |
| Conwy to Oak Hills (Oregon) | 4,722.18 mi (7,599.62 km) |
| Conwy to Oak Lawn (Illinois) | 3,765.97 mi (6,060.75 km) |
| Conwy to Oak Park (California) | 5,251.43 mi (8,451.36 km) |
| Conwy to Oak Park (Illinois) | 3,759.19 mi (6,049.84 km) |
| Conwy to Oak Park (Michigan) | 3,557.55 mi (5,725.32 km) |
| Conwy to Oak Ridge (Florida) | 4,167.88 mi (6,707.55 km) |
| Conwy to Oak Ridge (New Jersey) | 3,282.25 mi (5,282.28 km) |
| Conwy to Oak Ridge (Tennessee) | 3,908.62 mi (6,290.32 km) |
| Conwy to Oakdale (California) | 5,110.80 mi (8,225.05 km) |
| Conwy to Oakdale (Minnesota) | 3,802.62 mi (6,119.73 km) |
| Conwy to Oakland (California) | 5,150.30 mi (8,288.60 km) |
| Conwy to Oakland (New Jersey) | 3,272.07 mi (5,265.89 km) |
| Conwy to Oakland Park (Florida) | 4,234.20 mi (6,814.28 km) |
| Conwy to Oakleaf Plantation (Florida) | 4,098.50 mi (6,595.89 km) |
