| Sleaford to Oak Harbor (Washington) | 4,663.57 mi (7,505.28 km) |
| Sleaford to Oak Hills (Oregon) | 4,828.45 mi (7,770.64 km) |
| Sleaford to Oak Lawn (Illinois) | 3,902.31 mi (6,280.15 km) |
| Sleaford to Oak Park (California) | 5,371.71 mi (8,644.93 km) |
| Sleaford to Oak Park (Illinois) | 3,895.40 mi (6,269.03 km) |
| Sleaford to Oak Park (Michigan) | 3,695.40 mi (5,947.18 km) |
| Sleaford to Oak Ridge (Florida) | 4,310.73 mi (6,937.45 km) |
| Sleaford to Oak Ridge (New Jersey) | 3,423.66 mi (5,509.85 km) |
| Sleaford to Oak Ridge (Tennessee) | 4,049.27 mi (6,516.67 km) |
| Sleaford to Oakdale (California) | 5,226.19 mi (8,410.73 km) |
| Sleaford to Oakdale (Minnesota) | 3,933.68 mi (6,330.64 km) |
| Sleaford to Oakland (California) | 5,264.25 mi (8,471.99 km) |
| Sleaford to Oakland (New Jersey) | 3,413.54 mi (5,493.57 km) |
| Sleaford to Oakland Park (Florida) | 4,377.16 mi (7,044.36 km) |
| Sleaford to Oakleaf Plantation (Florida) | 4,241.13 mi (6,825.44 km) |
