| Olesa de Montserrat to Oak Harbor (Washington) | 5,368.97 mi (8,640.52 km) |
| Olesa de Montserrat to Oak Hills (Oregon) | 5,523.35 mi (8,888.97 km) |
| Olesa de Montserrat to Oak Lawn (Illinois) | 4,393.84 mi (7,071.21 km) |
| Olesa de Montserrat to Oak Park (California) | 5,993.01 mi (9,644.81 km) |
| Olesa de Montserrat to Oak Park (Illinois) | 4,388.87 mi (7,063.20 km) |
| Olesa de Montserrat to Oak Park (Michigan) | 4,167.78 mi (6,707.39 km) |
| Olesa de Montserrat to Oak Ridge (Florida) | 4,620.32 mi (7,435.68 km) |
| Olesa de Montserrat to Oak Ridge (New Jersey) | 3,825.95 mi (6,157.27 km) |
| Olesa de Montserrat to Oak Ridge (Tennessee) | 4,459.82 mi (7,177.39 km) |
| Olesa de Montserrat to Oakdale (California) | 5,877.03 mi (9,458.16 km) |
| Olesa de Montserrat to Oakdale (Minnesota) | 4,484.92 mi (7,217.78 km) |
| Olesa de Montserrat to Oakland (California) | 5,922.37 mi (9,531.13 km) |
| Olesa de Montserrat to Oakland (New Jersey) | 3,814.17 mi (6,138.31 km) |
| Olesa de Montserrat to Oakland Park (Florida) | 4,651.67 mi (7,486.14 km) |
| Olesa de Montserrat to Oakleaf Plantation (Florida) | 4,572.08 mi (7,358.04 km) |
