| Clearfield to Oak Harbor (Washington) | 718.84 mi (1,156.86 km) |
| Clearfield to Oak Hills (Oregon) | 623.47 mi (1,003.38 km) |
| Clearfield to Oak Lawn (Illinois) | 1,254.28 mi (2,018.58 km) |
| Clearfield to Oak Park (California) | 603.36 mi (971.02 km) |
| Clearfield to Oak Park (Illinois) | 1,251.15 mi (2,013.53 km) |
| Clearfield to Oak Park (Michigan) | 1,481.73 mi (2,384.62 km) |
| Clearfield to Oak Ridge (Florida) | 1,929.80 mi (3,105.71 km) |
| Clearfield to Oak Ridge (New Jersey) | 1,939.42 mi (3,121.20 km) |
| Clearfield to Oak Ridge (Tennessee) | 1,533.21 mi (2,467.46 km) |
| Clearfield to Oakdale (California) | 524.05 mi (843.37 km) |
| Clearfield to Oakdale (Minnesota) | 996.49 mi (1,603.69 km) |
| Clearfield to Oakland (California) | 589.56 mi (948.80 km) |
| Clearfield to Oakland (New Jersey) | 1,952.47 mi (3,142.19 km) |
| Clearfield to Oakland Park (Florida) | 2,086.31 mi (3,357.60 km) |
| Clearfield to Oakleaf Plantation (Florida) | 1,843.81 mi (2,967.32 km) |
