| Blackburn to Oak Harbor (Washington) | 4,569.96 mi (7,354.65 km) |
| Blackburn to Oak Hills (Oregon) | 4,733.97 mi (7,618.58 km) |
| Blackburn to Oak Lawn (Illinois) | 3,802.93 mi (6,120.22 km) |
| Blackburn to Oak Park (California) | 5,273.27 mi (8,486.52 km) |
| Blackburn to Oak Park (Illinois) | 3,795.99 mi (6,109.06 km) |
| Blackburn to Oak Park (Michigan) | 3,596.47 mi (5,787.96 km) |
| Blackburn to Oak Ridge (Florida) | 4,217.36 mi (6,787.19 km) |
| Blackburn to Oak Ridge (New Jersey) | 3,327.09 mi (5,354.44 km) |
| Blackburn to Oak Ridge (Tennessee) | 3,951.89 mi (6,359.95 km) |
| Blackburn to Oakdale (California) | 5,128.94 mi (8,254.23 km) |
| Blackburn to Oakdale (Minnesota) | 3,833.82 mi (6,169.93 km) |
| Blackburn to Oakland (California) | 5,167.40 mi (8,316.13 km) |
| Blackburn to Oakland (New Jersey) | 3,317.05 mi (5,338.27 km) |
| Blackburn to Oakland Park (Florida) | 4,285.55 mi (6,896.92 km) |
| Blackburn to Oakleaf Plantation (Florida) | 4,146.81 mi (6,673.64 km) |
