| Omurtag to Oak Harbor (Washington) | 5,847.58 mi (9,410.78 km) |
| Omurtag to Oak Hills (Oregon) | 6,027.76 mi (9,700.74 km) |
| Omurtag to Oak Lawn (Illinois) | 5,293.59 mi (8,519.21 km) |
| Omurtag to Oak Park (California) | 6,662.62 mi (10,722.45 km) |
| Omurtag to Oak Park (Illinois) | 5,286.17 mi (8,507.27 km) |
| Omurtag to Oak Park (Michigan) | 5,092.35 mi (8,195.35 km) |
| Omurtag to Oak Ridge (Florida) | 5,705.60 mi (9,182.27 km) |
| Omurtag to Oak Ridge (New Jersey) | 4,827.03 mi (7,768.36 km) |
| Omurtag to Oak Ridge (Tennessee) | 5,452.49 mi (8,774.93 km) |
| Omurtag to Oakdale (California) | 6,484.36 mi (10,435.57 km) |
| Omurtag to Oakdale (Minnesota) | 5,300.95 mi (8,531.06 km) |
| Omurtag to Oakland (California) | 6,511.60 mi (10,479.40 km) |
| Omurtag to Oakland (New Jersey) | 4,816.87 mi (7,752.00 km) |
| Omurtag to Oakland Park (Florida) | 5,763.87 mi (9,276.06 km) |
| Omurtag to Oakleaf Plantation (Florida) | 5,639.61 mi (9,076.07 km) |
