| Guimaraes to Opole | 1,399.53 mi (2,252.32 km) |
| Guimaraes to Orzesze | 1,424.49 mi (2,292.50 km) |
| Guimaraes to Osowa | 1,514.34 mi (2,437.09 km) |
| Guimaraes to Ostroda | 1,550.07 mi (2,494.59 km) |
| Guimaraes to Ostroleka | 1,597.29 mi (2,570.58 km) |
| Guimaraes to Ostrow Mazowiecka | 1,604.96 mi (2,582.93 km) |
| Guimaraes to Ostrow Wielkopolski | 1,415.93 mi (2,278.71 km) |
| Guimaraes to Ostrowiec Swietokrzyski | 1,550.47 mi (2,495.23 km) |
| Guimaraes to Ostrzeszow | 1,415.40 mi (2,277.86 km) |
| Guimaraes to Oswiecim | 1,442.87 mi (2,322.08 km) |
| Guimaraes to Otwock | 1,565.86 mi (2,520.01 km) |
| Guimaraes to Ozarow Mazowiecki | 1,548.90 mi (2,492.71 km) |
| Guimaraes to Ozimek | 1,411.39 mi (2,271.41 km) |
| Guimaraes to Ozorkow | 1,482.32 mi (2,385.56 km) |
| Guimaraes to Pabianice | 1,479.64 mi (2,381.24 km) |
