| Samokov to Oak Harbor (Washington) | 5,844.82 mi (9,406.33 km) |
| Samokov to Oak Hills (Oregon) | 6,022.42 mi (9,692.15 km) |
| Samokov to Oak Lawn (Illinois) | 5,227.76 mi (8,413.27 km) |
| Samokov to Oak Park (California) | 6,637.03 mi (10,681.27 km) |
| Samokov to Oak Park (Illinois) | 5,220.70 mi (8,401.90 km) |
| Samokov to Oak Park (Michigan) | 5,021.91 mi (8,081.98 km) |
| Samokov to Oak Ridge (Florida) | 5,609.49 mi (9,027.60 km) |
| Samokov to Oak Ridge (New Jersey) | 4,743.41 mi (7,633.79 km) |
| Samokov to Oak Ridge (Tennessee) | 5,372.16 mi (8,645.65 km) |
| Samokov to Oakdale (California) | 6,466.94 mi (10,407.53 km) |
| Samokov to Oakdale (Minnesota) | 5,247.94 mi (8,445.74 km) |
| Samokov to Oakland (California) | 6,496.86 mi (10,455.69 km) |
| Samokov to Oakland (New Jersey) | 4,732.95 mi (7,616.95 km) |
| Samokov to Oakland Park (Florida) | 5,662.69 mi (9,113.22 km) |
| Samokov to Oakleaf Plantation (Florida) | 5,546.66 mi (8,926.48 km) |
