| Barreiro to Nowy Dwor Mazowiecki | 1,707.70 mi (2,748.27 km) |
| Barreiro to Nowy Sacz | 1,643.60 mi (2,645.12 km) |
| Barreiro to Nowy Targ | 1,611.27 mi (2,593.09 km) |
| Barreiro to Nowy Tomysl | 1,529.05 mi (2,460.77 km) |
| Barreiro to Nysa | 1,521.76 mi (2,449.03 km) |
| Barreiro to Oborniki | 1,565.24 mi (2,519.02 km) |
| Barreiro to Oborniki Slaskie | 1,527.22 mi (2,457.82 km) |
| Barreiro to Olawa | 1,532.74 mi (2,466.70 km) |
| Barreiro to Olecko | 1,817.96 mi (2,925.73 km) |
| Barreiro to Olesnica | 1,543.41 mi (2,483.88 km) |
| Barreiro to Olesno | 1,576.15 mi (2,536.57 km) |
| Barreiro to Olkusz | 1,609.21 mi (2,589.78 km) |
| Barreiro to Olsztyn | 1,735.59 mi (2,793.17 km) |
| Barreiro to Opalenica | 1,539.24 mi (2,477.16 km) |
| Barreiro to Opoczno | 1,664.30 mi (2,678.43 km) |
