| Jaca to Opole | 1,036.85 mi (1,668.65 km) |
| Jaca to Orzesze | 1,055.19 mi (1,698.16 km) |
| Jaca to Osowa | 1,189.56 mi (1,914.42 km) |
| Jaca to Ostroda | 1,212.50 mi (1,951.33 km) |
| Jaca to Ostroleka | 1,249.13 mi (2,010.28 km) |
| Jaca to Ostrow Mazowiecka | 1,253.52 mi (2,017.35 km) |
| Jaca to Ostrow Wielkopolski | 1,063.50 mi (1,711.53 km) |
| Jaca to Ostrowiec Swietokrzyski | 1,183.29 mi (1,904.32 km) |
| Jaca to Ostrzeszow | 1,060.23 mi (1,706.28 km) |
| Jaca to Oswiecim | 1,071.71 mi (1,724.74 km) |
| Jaca to Otwock | 1,209.45 mi (1,946.41 km) |
| Jaca to Ozarow Mazowiecki | 1,194.44 mi (1,922.26 km) |
| Jaca to Ozimek | 1,048.12 mi (1,686.78 km) |
| Jaca to Ozorkow | 1,129.09 mi (1,817.10 km) |
| Jaca to Pabianice | 1,123.05 mi (1,807.38 km) |
