| Cahokia to Oak Harbor (Washington) | 1,745.39 mi (2,808.94 km) |
| Cahokia to Oak Hills (Oregon) | 1,730.23 mi (2,784.54 km) |
| Cahokia to Oak Lawn (Illinois) | 252.49 mi (406.34 km) |
| Cahokia to Oak Park (California) | 1,612.09 mi (2,594.41 km) |
| Cahokia to Oak Park (Illinois) | 261.84 mi (421.40 km) |
| Cahokia to Oak Park (Michigan) | 455.46 mi (733.00 km) |
| Cahokia to Oak Ridge (Florida) | 859.84 mi (1,383.78 km) |
| Cahokia to Oak Ridge (New Jersey) | 848.51 mi (1,365.55 km) |
| Cahokia to Oak Ridge (Tennessee) | 370.07 mi (595.57 km) |
| Cahokia to Oakdale (California) | 1,659.17 mi (2,670.18 km) |
| Cahokia to Oakdale (Minnesota) | 466.30 mi (750.44 km) |
| Cahokia to Oakland (California) | 1,732.05 mi (2,787.46 km) |
| Cahokia to Oakland (New Jersey) | 861.78 mi (1,386.90 km) |
| Cahokia to Oakland Park (Florida) | 1,035.20 mi (1,665.99 km) |
| Cahokia to Oakleaf Plantation (Florida) | 749.65 mi (1,206.45 km) |
