| Guimaraes to Navodari | 1,863.37 mi (2,998.81 km) |
| Guimaraes to Negresti-Oas | 1,608.28 mi (2,588.27 km) |
| Guimaraes to Nehoiu | 1,744.23 mi (2,807.06 km) |
| Guimaraes to Ocna Mures | 1,624.67 mi (2,614.66 km) |
| Guimaraes to Odobesti | 1,779.35 mi (2,863.58 km) |
| Guimaraes to Odorheiu Secuiesc | 1,693.44 mi (2,725.33 km) |
| Guimaraes to Oltenita | 1,768.01 mi (2,845.34 km) |
| Guimaraes to Onesti | 1,763.58 mi (2,838.21 km) |
| Guimaraes to Oradea | 1,534.52 mi (2,469.57 km) |
| Guimaraes to Orastie | 1,593.05 mi (2,563.76 km) |
| Guimaraes to Oravita | 1,520.42 mi (2,446.89 km) |
| Guimaraes to Orsova | 1,555.92 mi (2,504.02 km) |
| Guimaraes to Otelu Rosu | 1,552.34 mi (2,498.25 km) |
| Guimaraes to Otopeni | 1,736.94 mi (2,795.33 km) |
| Guimaraes to Ovidiu | 1,861.19 mi (2,995.29 km) |
