| Sofia to Oak Harbor (Washington) | 5,817.27 mi (9,362.00 km) |
| Sofia to Oak Hills (Oregon) | 5,994.85 mi (9,647.79 km) |
| Sofia to Oak Lawn (Illinois) | 5,202.08 mi (8,371.94 km) |
| Sofia to Oak Park (California) | 6,609.61 mi (10,637.14 km) |
| Sofia to Oak Park (Illinois) | 5,194.99 mi (8,360.53 km) |
| Sofia to Oak Park (Michigan) | 4,996.57 mi (8,041.20 km) |
| Sofia to Oak Ridge (Florida) | 5,586.83 mi (8,991.13 km) |
| Sofia to Oak Ridge (New Jersey) | 4,719.25 mi (7,594.91 km) |
| Sofia to Oak Ridge (Tennessee) | 5,347.70 mi (8,606.30 km) |
| Sofia to Oakdale (California) | 6,439.40 mi (10,363.21 km) |
| Sofia to Oakdale (Minnesota) | 5,221.46 mi (8,403.13 km) |
| Sofia to Oakland (California) | 6,469.30 mi (10,411.34 km) |
| Sofia to Oakland (New Jersey) | 4,708.82 mi (7,578.12 km) |
| Sofia to Oakland Park (Florida) | 5,640.72 mi (9,077.87 km) |
| Sofia to Oakleaf Plantation (Florida) | 5,523.59 mi (8,889.36 km) |
