| Zalec to Oak Harbor (Washington) | 5,427.17 mi (8,734.19 km) |
| Zalec to Oak Hills (Oregon) | 5,599.76 mi (9,011.94 km) |
| Zalec to Oak Lawn (Illinois) | 4,738.04 mi (7,625.13 km) |
| Zalec to Oak Park (California) | 6,182.72 mi (9,950.13 km) |
| Zalec to Oak Park (Illinois) | 4,731.16 mi (7,614.07 km) |
| Zalec to Oak Park (Michigan) | 4,530.11 mi (7,290.51 km) |
| Zalec to Oak Ridge (Florida) | 5,116.67 mi (8,234.49 km) |
| Zalec to Oak Ridge (New Jersey) | 4,248.53 mi (6,837.36 km) |
| Zalec to Oak Ridge (Tennessee) | 4,877.55 mi (7,849.66 km) |
| Zalec to Oakdale (California) | 6,024.13 mi (9,694.90 km) |
| Zalec to Oakdale (Minnesota) | 4,766.81 mi (7,671.44 km) |
| Zalec to Oakland (California) | 6,057.91 mi (9,749.26 km) |
| Zalec to Oakland (New Jersey) | 4,238.06 mi (6,820.50 km) |
| Zalec to Oakland Park (Florida) | 5,172.31 mi (8,324.03 km) |
| Zalec to Oakleaf Plantation (Florida) | 5,052.81 mi (8,131.71 km) |
