| Debrecen to Montemor-o-Novo | 1,614.05 mi (2,597.57 km) |
| Debrecen to Montemor-o-Velho | 1,582.42 mi (2,546.66 km) |
| Debrecen to Montijo | 1,644.14 mi (2,645.98 km) |
| Debrecen to Mortagua | 1,552.78 mi (2,498.96 km) |
| Debrecen to Moura | 1,598.38 mi (2,572.35 km) |
| Debrecen to Murtosa | 1,561.57 mi (2,513.11 km) |
| Debrecen to Nazare | 1,619.34 mi (2,606.08 km) |
| Debrecen to Nelas | 1,532.32 mi (2,466.03 km) |
| Debrecen to Obidos | 1,631.94 mi (2,626.35 km) |
| Debrecen to Odemira | 1,673.17 mi (2,692.71 km) |
| Debrecen to Odivelas | 1,653.10 mi (2,660.41 km) |
| Debrecen to Oeiras | 1,663.26 mi (2,676.76 km) |
| Debrecen to Olhao | 1,659.19 mi (2,670.20 km) |
| Debrecen to Oliveira de Azemeis | 1,550.82 mi (2,495.80 km) |
| Debrecen to Oliveira de Frades | 1,541.25 mi (2,480.40 km) |
