| Estremoz to Opole | 1,482.88 mi (2,386.47 km) |
| Estremoz to Orzesze | 1,502.57 mi (2,418.15 km) |
| Estremoz to Osowa | 1,622.00 mi (2,610.36 km) |
| Estremoz to Ostroda | 1,650.68 mi (2,656.52 km) |
| Estremoz to Ostroleka | 1,691.41 mi (2,722.07 km) |
| Estremoz to Ostrow Mazowiecka | 1,696.90 mi (2,730.89 km) |
| Estremoz to Ostrow Wielkopolski | 1,506.69 mi (2,424.79 km) |
| Estremoz to Ostrowiec Swietokrzyski | 1,630.48 mi (2,624.00 km) |
| Estremoz to Ostrzeszow | 1,504.28 mi (2,420.90 km) |
| Estremoz to Oswiecim | 1,519.37 mi (2,445.19 km) |
| Estremoz to Otwock | 1,654.21 mi (2,662.20 km) |
| Estremoz to Ozarow Mazowiecki | 1,638.61 mi (2,637.08 km) |
| Estremoz to Ozimek | 1,494.31 mi (2,404.86 km) |
| Estremoz to Ozorkow | 1,572.72 mi (2,531.06 km) |
| Estremoz to Pabianice | 1,567.68 mi (2,522.93 km) |
