| Altoona to Oak Harbor (Washington) | 2,215.95 mi (3,566.22 km) |
| Altoona to Oak Hills (Oregon) | 2,242.30 mi (3,608.63 km) |
| Altoona to Oak Lawn (Illinois) | 493.66 mi (794.47 km) |
| Altoona to Oak Park (California) | 2,239.75 mi (3,604.52 km) |
| Altoona to Oak Park (Illinois) | 497.07 mi (799.96 km) |
| Altoona to Oak Park (Michigan) | 281.95 mi (453.75 km) |
| Altoona to Oak Ridge (Florida) | 848.97 mi (1,366.29 km) |
| Altoona to Oak Ridge (New Jersey) | 207.43 mi (333.82 km) |
| Altoona to Oak Ridge (Tennessee) | 447.98 mi (720.95 km) |
| Altoona to Oakdale (California) | 2,260.77 mi (3,638.36 km) |
| Altoona to Oakdale (Minnesota) | 799.66 mi (1,286.92 km) |
| Altoona to Oakland (California) | 2,331.10 mi (3,751.55 km) |
| Altoona to Oakland (New Jersey) | 220.63 mi (355.07 km) |
| Altoona to Oakland Park (Florida) | 995.21 mi (1,601.64 km) |
| Altoona to Oakleaf Plantation (Florida) | 739.94 mi (1,190.82 km) |
