| Cal to Oak Harbor (Washington) | 6,226.25 mi (10,020.18 km) |
| Cal to Oak Hills (Oregon) | 6,406.91 mi (10,310.92 km) |
| Cal to Oak Lawn (Illinois) | 5,653.14 mi (9,097.86 km) |
| Cal to Oak Park (California) | 7,042.26 mi (11,333.42 km) |
| Cal to Oak Park (Illinois) | 5,646.04 mi (9,086.42 km) |
| Cal to Oak Park (Michigan) | 5,447.64 mi (8,767.14 km) |
| Cal to Oak Ridge (Florida) | 6,027.59 mi (9,700.47 km) |
| Cal to Oak Ridge (New Jersey) | 5,167.60 mi (8,316.44 km) |
| Cal to Oak Ridge (Tennessee) | 5,797.02 mi (9,329.41 km) |
| Cal to Oakdale (California) | 6,864.56 mi (11,047.45 km) |
| Cal to Oakdale (Minnesota) | 5,670.06 mi (9,125.08 km) |
| Cal to Oakland (California) | 6,891.75 mi (11,091.21 km) |
| Cal to Oakland (New Jersey) | 5,157.05 mi (8,299.47 km) |
| Cal to Oakland Park (Florida) | 6,076.96 mi (9,779.93 km) |
| Cal to Oakleaf Plantation (Florida) | 5,966.71 mi (9,602.50 km) |
