| Howard to Oak Harbor (Washington) | 1,650.46 mi (2,656.16 km) |
| Howard to Oak Hills (Oregon) | 1,684.06 mi (2,710.24 km) |
| Howard to Oak Lawn (Illinois) | 198.10 mi (318.81 km) |
| Howard to Oak Park (California) | 1,774.91 mi (2,856.44 km) |
| Howard to Oak Park (Illinois) | 186.01 mi (299.35 km) |
| Howard to Oak Park (Michigan) | 285.74 mi (459.86 km) |
| Howard to Oak Ridge (Florida) | 1,171.33 mi (1,885.08 km) |
| Howard to Oak Ridge (New Jersey) | 730.22 mi (1,175.18 km) |
| Howard to Oak Ridge (Tennessee) | 627.27 mi (1,009.50 km) |
| Howard to Oakdale (California) | 1,754.36 mi (2,823.37 km) |
| Howard to Oakdale (Minnesota) | 240.61 mi (387.22 km) |
| Howard to Oakland (California) | 1,820.79 mi (2,930.28 km) |
| Howard to Oakland (New Jersey) | 742.46 mi (1,194.87 km) |
| Howard to Oakland Park (Florida) | 1,345.56 mi (2,165.48 km) |
| Howard to Oakleaf Plantation (Florida) | 1,051.89 mi (1,692.85 km) |
