| Cabeceiras de Basto to Opole | 1,384.28 mi (2,227.78 km) |
| Cabeceiras de Basto to Orzesze | 1,409.13 mi (2,267.77 km) |
| Cabeceiras de Basto to Osowa | 1,499.95 mi (2,413.93 km) |
| Cabeceiras de Basto to Ostroda | 1,535.39 mi (2,470.97 km) |
| Cabeceiras de Basto to Ostroleka | 1,582.38 mi (2,546.60 km) |
| Cabeceiras de Basto to Ostrow Mazowiecka | 1,589.98 mi (2,558.83 km) |
| Cabeceiras de Basto to Ostrow Wielkopolski | 1,400.89 mi (2,254.51 km) |
| Cabeceiras de Basto to Ostrowiec Swietokrzyski | 1,535.16 mi (2,470.60 km) |
| Cabeceiras de Basto to Ostrzeszow | 1,400.30 mi (2,253.57 km) |
| Cabeceiras de Basto to Oswiecim | 1,427.48 mi (2,297.30 km) |
| Cabeceiras de Basto to Otwock | 1,550.78 mi (2,495.73 km) |
| Cabeceiras de Basto to Ozarow Mazowiecki | 1,533.85 mi (2,468.50 km) |
| Cabeceiras de Basto to Ozimek | 1,396.13 mi (2,246.86 km) |
| Cabeceiras de Basto to Ozorkow | 1,467.28 mi (2,361.35 km) |
| Cabeceiras de Basto to Pabianice | 1,464.53 mi (2,356.93 km) |
