| Port Talbot to Oak Harbor (Washington) | 4,650.91 mi (7,484.92 km) |
| Port Talbot to Oak Hills (Oregon) | 4,811.14 mi (7,742.79 km) |
| Port Talbot to Oak Lawn (Illinois) | 3,816.15 mi (6,141.51 km) |
| Port Talbot to Oak Park (California) | 5,326.76 mi (8,572.59 km) |
| Port Talbot to Oak Park (Illinois) | 3,809.71 mi (6,131.13 km) |
| Port Talbot to Oak Park (Michigan) | 3,603.86 mi (5,799.86 km) |
| Port Talbot to Oak Ridge (Florida) | 4,188.11 mi (6,740.10 km) |
| Port Talbot to Oak Ridge (New Jersey) | 3,315.45 mi (5,335.70 km) |
| Port Talbot to Oak Ridge (Tennessee) | 3,945.01 mi (6,348.88 km) |
| Port Talbot to Oakdale (California) | 5,191.47 mi (8,354.87 km) |
| Port Talbot to Oakdale (Minnesota) | 3,863.64 mi (6,217.92 km) |
| Port Talbot to Oakland (California) | 5,232.35 mi (8,420.65 km) |
| Port Talbot to Oakland (New Jersey) | 3,304.94 mi (5,318.79 km) |
| Port Talbot to Oakland Park (Florida) | 4,248.93 mi (6,837.99 km) |
| Port Talbot to Oakleaf Plantation (Florida) | 4,122.03 mi (6,633.77 km) |
