| Alba Iulia to Opole | 409.57 mi (659.14 km) |
| Alba Iulia to Orzesze | 359.06 mi (577.85 km) |
| Alba Iulia to Osowa | 619.62 mi (997.18 km) |
| Alba Iulia to Ostroda | 551.07 mi (886.86 km) |
| Alba Iulia to Ostroleka | 491.85 mi (791.55 km) |
| Alba Iulia to Ostrow Mazowiecka | 471.19 mi (758.31 km) |
| Alba Iulia to Ostrow Wielkopolski | 465.71 mi (749.48 km) |
| Alba Iulia to Ostrowiec Swietokrzyski | 350.56 mi (564.18 km) |
| Alba Iulia to Ostrzeszow | 449.81 mi (723.90 km) |
| Alba Iulia to Oswiecim | 339.91 mi (547.03 km) |
| Alba Iulia to Otwock | 430.74 mi (693.20 km) |
| Alba Iulia to Ozarow Mazowiecki | 442.89 mi (712.76 km) |
| Alba Iulia to Ozimek | 401.95 mi (646.88 km) |
| Alba Iulia to Ozorkow | 451.36 mi (726.39 km) |
| Alba Iulia to Pabianice | 429.97 mi (691.98 km) |
