| Encinitas to Oak Harbor (Washington) | 1,089.74 mi (1,753.77 km) |
| Encinitas to Oak Hills (Oregon) | 912.59 mi (1,468.67 km) |
| Encinitas to Oak Lawn (Illinois) | 1,716.84 mi (2,762.99 km) |
| Encinitas to Oak Park (California) | 116.90 mi (188.13 km) |
| Encinitas to Oak Park (Illinois) | 1,717.24 mi (2,763.63 km) |
| Encinitas to Oak Park (Michigan) | 1,956.48 mi (3,148.65 km) |
| Encinitas to Oak Ridge (Florida) | 2,141.12 mi (3,445.79 km) |
| Encinitas to Oak Ridge (New Jersey) | 2,397.01 mi (3,857.62 km) |
| Encinitas to Oak Ridge (Tennessee) | 1,878.90 mi (3,023.80 km) |
| Encinitas to Oakdale (California) | 383.06 mi (616.48 km) |
| Encinitas to Oakdale (Minnesota) | 1,533.97 mi (2,468.68 km) |
| Encinitas to Oakland (California) | 430.16 mi (692.28 km) |
| Encinitas to Oakland (New Jersey) | 2,410.37 mi (3,879.11 km) |
| Encinitas to Oakland Park (Florida) | 2,266.82 mi (3,648.09 km) |
| Encinitas to Oakleaf Plantation (Florida) | 2,084.32 mi (3,354.40 km) |
