| Keystone to Oak Harbor (Washington) | 2,539.38 mi (4,086.73 km) |
| Keystone to Oak Hills (Oregon) | 2,494.14 mi (4,013.94 km) |
| Keystone to Oak Lawn (Illinois) | 982.32 mi (1,580.88 km) |
| Keystone to Oak Park (California) | 2,167.27 mi (3,487.89 km) |
| Keystone to Oak Park (Illinois) | 994.27 mi (1,600.12 km) |
| Keystone to Oak Park (Michigan) | 990.90 mi (1,594.70 km) |
| Keystone to Oak Ridge (Florida) | 75.74 mi (121.88 km) |
| Keystone to Oak Ridge (New Jersey) | 1,002.36 mi (1,613.14 km) |
| Keystone to Oak Ridge (Tennessee) | 550.17 mi (885.42 km) |
| Keystone to Oakdale (California) | 2,297.55 mi (3,697.55 km) |
| Keystone to Oakdale (Minnesota) | 1,296.39 mi (2,086.33 km) |
| Keystone to Oakland (California) | 2,372.25 mi (3,817.77 km) |
| Keystone to Oakland (New Jersey) | 1,009.01 mi (1,623.84 km) |
| Keystone to Oakland Park (Florida) | 202.09 mi (325.23 km) |
| Keystone to Oakleaf Plantation (Florida) | 148.19 mi (238.48 km) |
