| Longford to Oak Harbor (Washington) | 4,429.74 mi (7,128.98 km) |
| Longford to Oak Hills (Oregon) | 4,589.18 mi (7,385.57 km) |
| Longford to Oak Lawn (Illinois) | 3,603.67 mi (5,799.54 km) |
| Longford to Oak Park (California) | 5,103.78 mi (8,213.74 km) |
| Longford to Oak Park (Illinois) | 3,597.00 mi (5,788.81 km) |
| Longford to Oak Park (Michigan) | 3,394.04 mi (5,462.18 km) |
| Longford to Oak Ridge (Florida) | 4,002.18 mi (6,440.88 km) |
| Longford to Oak Ridge (New Jersey) | 3,116.45 mi (5,015.44 km) |
| Longford to Oak Ridge (Tennessee) | 3,743.18 mi (6,024.06 km) |
| Longford to Oakdale (California) | 4,968.14 mi (7,995.44 km) |
| Longford to Oakdale (Minnesota) | 3,645.01 mi (5,866.08 km) |
| Longford to Oakland (California) | 5,009.06 mi (8,061.31 km) |
| Longford to Oakland (New Jersey) | 3,106.24 mi (4,999.01 km) |
| Longford to Oakland Park (Florida) | 4,069.17 mi (6,548.70 km) |
| Longford to Oakleaf Plantation (Florida) | 3,932.57 mi (6,328.86 km) |
