| Enniskillen to Oak Harbor (Washington) | 4,402.51 mi (7,085.16 km) |
| Enniskillen to Oak Hills (Oregon) | 4,562.93 mi (7,343.33 km) |
| Enniskillen to Oak Lawn (Illinois) | 3,594.27 mi (5,784.42 km) |
| Enniskillen to Oak Park (California) | 5,083.67 mi (8,181.37 km) |
| Enniskillen to Oak Park (Illinois) | 3,587.47 mi (5,773.47 km) |
| Enniskillen to Oak Park (Michigan) | 3,386.28 mi (5,449.69 km) |
| Enniskillen to Oak Ridge (Florida) | 4,004.63 mi (6,444.84 km) |
| Enniskillen to Oak Ridge (New Jersey) | 3,114.11 mi (5,011.68 km) |
| Enniskillen to Oak Ridge (Tennessee) | 3,739.37 mi (6,017.93 km) |
| Enniskillen to Oakdale (California) | 4,945.68 mi (7,959.30 km) |
| Enniskillen to Oakdale (Minnesota) | 3,631.06 mi (5,843.63 km) |
| Enniskillen to Oakland (California) | 4,985.99 mi (8,024.18 km) |
| Enniskillen to Oakland (New Jersey) | 3,104.04 mi (4,995.47 km) |
| Enniskillen to Oakland Park (Florida) | 4,073.71 mi (6,556.00 km) |
| Enniskillen to Oakleaf Plantation (Florida) | 3,933.77 mi (6,330.79 km) |
