| Dobrich to Oak Harbor (Washington) | 5,841.18 mi (9,400.46 km) |
| Dobrich to Oak Hills (Oregon) | 6,022.55 mi (9,692.35 km) |
| Dobrich to Oak Lawn (Illinois) | 5,319.93 mi (8,561.60 km) |
| Dobrich to Oak Park (California) | 6,667.33 mi (10,730.03 km) |
| Dobrich to Oak Park (Illinois) | 5,312.33 mi (8,549.37 km) |
| Dobrich to Oak Park (Michigan) | 5,121.23 mi (8,241.82 km) |
| Dobrich to Oak Ridge (Florida) | 5,747.88 mi (9,250.31 km) |
| Dobrich to Oak Ridge (New Jersey) | 4,863.01 mi (7,826.25 km) |
| Dobrich to Oak Ridge (Tennessee) | 5,486.41 mi (8,829.52 km) |
| Dobrich to Oakdale (California) | 6,485.01 mi (10,436.62 km) |
| Dobrich to Oakdale (Minnesota) | 5,320.60 mi (8,562.67 km) |
| Dobrich to Oakland (California) | 6,510.86 mi (10,478.22 km) |
| Dobrich to Oakland (New Jersey) | 4,853.00 mi (7,810.16 km) |
| Dobrich to Oakland Park (Florida) | 5,808.89 mi (9,348.51 km) |
| Dobrich to Oakleaf Plantation (Florida) | 5,680.21 mi (9,141.41 km) |
