| Des Moines to Oak Harbor (Washington) | 1,483.28 mi (2,387.11 km) |
| Des Moines to Oak Hills (Oregon) | 1,480.52 mi (2,382.67 km) |
| Des Moines to Oak Lawn (Illinois) | 302.55 mi (486.91 km) |
| Des Moines to Oak Park (California) | 1,457.35 mi (2,345.38 km) |
| Des Moines to Oak Park (Illinois) | 300.86 mi (484.19 km) |
| Des Moines to Oak Park (Michigan) | 538.48 mi (866.60 km) |
| Des Moines to Oak Ridge (Florida) | 1,135.56 mi (1,827.51 km) |
| Des Moines to Oak Ridge (New Jersey) | 990.76 mi (1,594.48 km) |
| Des Moines to Oak Ridge (Tennessee) | 633.45 mi (1,019.45 km) |
| Des Moines to Oakdale (California) | 1,465.97 mi (2,359.25 km) |
| Des Moines to Oakdale (Minnesota) | 238.19 mi (383.33 km) |
| Des Moines to Oakland (California) | 1,536.13 mi (2,472.16 km) |
| Des Moines to Oakland (New Jersey) | 1,003.99 mi (1,615.76 km) |
| Des Moines to Oakland Park (Florida) | 1,310.73 mi (2,109.42 km) |
| Des Moines to Oakleaf Plantation (Florida) | 1,025.36 mi (1,650.15 km) |
