| Halstead to Oak Harbor (Washington) | 4,748.24 mi (7,641.56 km) |
| Halstead to Oak Hills (Oregon) | 4,912.88 mi (7,906.52 km) |
| Halstead to Oak Lawn (Illinois) | 3,974.95 mi (6,397.06 km) |
| Halstead to Oak Park (California) | 5,453.39 mi (8,776.39 km) |
| Halstead to Oak Park (Illinois) | 3,968.17 mi (6,386.16 km) |
| Halstead to Oak Park (Michigan) | 3,766.37 mi (6,061.38 km) |
| Halstead to Oak Ridge (Florida) | 4,369.42 mi (7,031.90 km) |
| Halstead to Oak Ridge (New Jersey) | 3,488.62 mi (5,614.40 km) |
| Halstead to Oak Ridge (Tennessee) | 4,115.91 mi (6,623.91 km) |
| Halstead to Oakdale (California) | 5,309.15 mi (8,544.25 km) |
| Halstead to Oakdale (Minnesota) | 4,010.51 mi (6,454.29 km) |
| Halstead to Oakland (California) | 5,347.52 mi (8,606.00 km) |
| Halstead to Oakland (New Jersey) | 3,478.35 mi (5,597.86 km) |
| Halstead to Oakland Park (Florida) | 4,432.93 mi (7,134.11 km) |
| Halstead to Oakleaf Plantation (Florida) | 4,301.52 mi (6,922.63 km) |
