| Gorna Oryahovitsa to Montemor-o-Novo | 1,785.81 mi (2,873.98 km) |
| Gorna Oryahovitsa to Montemor-o-Velho | 1,774.36 mi (2,855.56 km) |
| Gorna Oryahovitsa to Montijo | 1,819.42 mi (2,928.07 km) |
| Gorna Oryahovitsa to Mortagua | 1,746.17 mi (2,810.18 km) |
| Gorna Oryahovitsa to Moura | 1,760.19 mi (2,832.75 km) |
| Gorna Oryahovitsa to Murtosa | 1,760.12 mi (2,832.63 km) |
| Gorna Oryahovitsa to Nazare | 1,806.11 mi (2,906.65 km) |
| Gorna Oryahovitsa to Nelas | 1,725.22 mi (2,776.47 km) |
| Gorna Oryahovitsa to Obidos | 1,816.25 mi (2,922.97 km) |
| Gorna Oryahovitsa to Odemira | 1,834.36 mi (2,952.11 km) |
| Gorna Oryahovitsa to Odivelas | 1,830.88 mi (2,946.52 km) |
| Gorna Oryahovitsa to Oeiras | 1,840.41 mi (2,961.86 km) |
| Gorna Oryahovitsa to Olhao | 1,809.75 mi (2,912.52 km) |
| Gorna Oryahovitsa to Oliveira de Azemeis | 1,750.06 mi (2,816.45 km) |
| Gorna Oryahovitsa to Oliveira de Frades | 1,737.90 mi (2,796.88 km) |
