| Pontypridd to Opole | 921.39 mi (1,482.84 km) |
| Pontypridd to Orzesze | 964.65 mi (1,552.45 km) |
| Pontypridd to Osowa | 923.48 mi (1,486.20 km) |
| Pontypridd to Ostroda | 983.16 mi (1,582.24 km) |
| Pontypridd to Ostroleka | 1,051.13 mi (1,691.63 km) |
| Pontypridd to Ostrow Mazowiecka | 1,066.59 mi (1,716.51 km) |
| Pontypridd to Ostrow Wielkopolski | 904.37 mi (1,455.44 km) |
| Pontypridd to Ostrowiec Swietokrzyski | 1,065.49 mi (1,714.74 km) |
| Pontypridd to Ostrzeszow | 911.75 mi (1,467.32 km) |
| Pontypridd to Oswiecim | 986.82 mi (1,588.13 km) |
| Pontypridd to Otwock | 1,045.66 mi (1,682.82 km) |
| Pontypridd to Ozarow Mazowiecki | 1,025.14 mi (1,649.81 km) |
| Pontypridd to Ozimek | 933.27 mi (1,501.95 km) |
| Pontypridd to Ozorkow | 963.49 mi (1,550.59 km) |
| Pontypridd to Pabianice | 970.81 mi (1,562.36 km) |
