| Campbell to Oak Harbor (Washington) | 761.92 mi (1,226.19 km) |
| Campbell to Oak Hills (Oregon) | 572.57 mi (921.46 km) |
| Campbell to Oak Lawn (Illinois) | 1,836.65 mi (2,955.80 km) |
| Campbell to Oak Park (California) | 278.68 mi (448.49 km) |
| Campbell to Oak Park (Illinois) | 1,834.39 mi (2,952.17 km) |
| Campbell to Oak Park (Michigan) | 2,068.48 mi (3,328.90 km) |
| Campbell to Oak Ridge (Florida) | 2,410.10 mi (3,878.68 km) |
| Campbell to Oak Ridge (New Jersey) | 2,524.45 mi (4,062.71 km) |
| Campbell to Oak Ridge (Tennessee) | 2,076.52 mi (3,341.84 km) |
| Campbell to Oakdale (California) | 69.19 mi (111.36 km) |
| Campbell to Oakdale (Minnesota) | 1,589.64 mi (2,558.28 km) |
| Campbell to Oakland (California) | 38.08 mi (61.28 km) |
| Campbell to Oakland (New Jersey) | 2,537.61 mi (4,083.89 km) |
| Campbell to Oakland Park (Florida) | 2,550.57 mi (4,104.75 km) |
| Campbell to Oakleaf Plantation (Florida) | 2,339.23 mi (3,764.63 km) |
