| Quarteira to Opole | 1,587.72 mi (2,555.18 km) |
| Quarteira to Orzesze | 1,605.14 mi (2,583.23 km) |
| Quarteira to Osowa | 1,735.61 mi (2,793.19 km) |
| Quarteira to Ostroda | 1,761.69 mi (2,835.17 km) |
| Quarteira to Ostroleka | 1,799.86 mi (2,896.59 km) |
| Quarteira to Ostrow Mazowiecka | 1,804.47 mi (2,904.02 km) |
| Quarteira to Ostrow Wielkopolski | 1,614.38 mi (2,598.10 km) |
| Quarteira to Ostrowiec Swietokrzyski | 1,733.39 mi (2,789.63 km) |
| Quarteira to Ostrzeszow | 1,611.24 mi (2,593.04 km) |
| Quarteira to Oswiecim | 1,621.21 mi (2,609.09 km) |
| Quarteira to Otwock | 1,760.48 mi (2,833.23 km) |
| Quarteira to Ozarow Mazowiecki | 1,745.47 mi (2,809.06 km) |
| Quarteira to Ozimek | 1,598.92 mi (2,573.21 km) |
| Quarteira to Ozorkow | 1,680.06 mi (2,703.80 km) |
| Quarteira to Pabianice | 1,674.09 mi (2,694.19 km) |
