| Port Talbot to Opole | 940.99 mi (1,514.38 km) |
| Port Talbot to Orzesze | 984.26 mi (1,584.01 km) |
| Port Talbot to Osowa | 942.09 mi (1,516.14 km) |
| Port Talbot to Ostroda | 1,002.07 mi (1,612.67 km) |
| Port Talbot to Ostroleka | 1,070.23 mi (1,722.37 km) |
| Port Talbot to Ostrow Mazowiecka | 1,085.76 mi (1,747.37 km) |
| Port Talbot to Ostrow Wielkopolski | 923.86 mi (1,486.81 km) |
| Port Talbot to Ostrowiec Swietokrzyski | 1,085.03 mi (1,746.18 km) |
| Port Talbot to Ostrzeszow | 931.28 mi (1,498.75 km) |
| Port Talbot to Oswiecim | 1,006.43 mi (1,619.70 km) |
| Port Talbot to Otwock | 1,065.00 mi (1,713.96 km) |
| Port Talbot to Ozarow Mazowiecki | 1,044.48 mi (1,680.92 km) |
| Port Talbot to Ozimek | 952.87 mi (1,533.49 km) |
| Port Talbot to Ozorkow | 982.90 mi (1,581.83 km) |
| Port Talbot to Pabianice | 990.28 mi (1,593.69 km) |
