| Slupca to Oak Harbor (Washington) | 5,108.11 mi (8,220.71 km) |
| Slupca to Oak Hills (Oregon) | 5,286.45 mi (8,507.72 km) |
| Slupca to Oak Lawn (Illinois) | 4,573.83 mi (7,360.86 km) |
| Slupca to Oak Park (California) | 5,914.05 mi (9,517.74 km) |
| Slupca to Oak Park (Illinois) | 4,565.90 mi (7,348.10 km) |
| Slupca to Oak Park (Michigan) | 4,380.65 mi (7,049.98 km) |
| Slupca to Oak Ridge (Florida) | 5,051.61 mi (8,129.77 km) |
| Slupca to Oak Ridge (New Jersey) | 4,143.77 mi (6,668.75 km) |
| Slupca to Oak Ridge (Tennessee) | 4,758.81 mi (7,658.56 km) |
| Slupca to Oakdale (California) | 5,737.19 mi (9,233.12 km) |
| Slupca to Oakdale (Minnesota) | 4,565.28 mi (7,347.11 km) |
| Slupca to Oakland (California) | 5,765.36 mi (9,278.46 km) |
| Slupca to Oakland (New Jersey) | 4,134.38 mi (6,653.65 km) |
| Slupca to Oakland Park (Florida) | 5,125.84 mi (8,249.25 km) |
| Slupca to Oakleaf Plantation (Florida) | 4,976.67 mi (8,009.18 km) |
