| Aberystwyth to Opole | 949.94 mi (1,528.78 km) |
| Aberystwyth to Orzesze | 994.71 mi (1,600.83 km) |
| Aberystwyth to Osowa | 934.79 mi (1,504.40 km) |
| Aberystwyth to Ostroda | 997.74 mi (1,605.71 km) |
| Aberystwyth to Ostroleka | 1,068.08 mi (1,718.91 km) |
| Aberystwyth to Ostrow Mazowiecka | 1,084.52 mi (1,745.36 km) |
| Aberystwyth to Ostrow Wielkopolski | 928.74 mi (1,494.66 km) |
| Aberystwyth to Ostrowiec Swietokrzyski | 1,090.86 mi (1,755.57 km) |
| Aberystwyth to Ostrzeszow | 937.09 mi (1,508.10 km) |
| Aberystwyth to Oswiecim | 1,016.97 mi (1,636.65 km) |
| Aberystwyth to Otwock | 1,066.53 mi (1,716.42 km) |
| Aberystwyth to Ozarow Mazowiecki | 1,045.80 mi (1,683.06 km) |
| Aberystwyth to Ozimek | 961.61 mi (1,547.55 km) |
| Aberystwyth to Ozorkow | 985.81 mi (1,586.51 km) |
| Aberystwyth to Pabianice | 994.42 mi (1,600.36 km) |
