| Llanelli to Oak Harbor (Washington) | 4,636.02 mi (7,460.96 km) |
| Llanelli to Oak Hills (Oregon) | 4,796.04 mi (7,718.47 km) |
| Llanelli to Oak Lawn (Illinois) | 3,799.27 mi (6,114.33 km) |
| Llanelli to Oak Park (California) | 5,310.60 mi (8,546.59 km) |
| Llanelli to Oak Park (Illinois) | 3,792.82 mi (6,103.96 km) |
| Llanelli to Oak Park (Michigan) | 3,586.96 mi (5,772.65 km) |
| Llanelli to Oak Ridge (Florida) | 4,171.62 mi (6,713.57 km) |
| Llanelli to Oak Ridge (New Jersey) | 3,298.63 mi (5,308.64 km) |
| Llanelli to Oak Ridge (Tennessee) | 3,928.16 mi (6,321.76 km) |
| Llanelli to Oakdale (California) | 5,175.65 mi (8,329.41 km) |
| Llanelli to Oakdale (Minnesota) | 3,846.93 mi (6,191.04 km) |
| Llanelli to Oakland (California) | 5,216.63 mi (8,395.36 km) |
| Llanelli to Oakland (New Jersey) | 3,288.14 mi (5,291.74 km) |
| Llanelli to Oakland Park (Florida) | 4,232.64 mi (6,811.78 km) |
| Llanelli to Oakleaf Plantation (Florida) | 4,105.44 mi (6,607.07 km) |
