| Grunheide to Montemor-o-Novo | 1,419.08 mi (2,283.80 km) |
| Grunheide to Montemor-o-Velho | 1,358.34 mi (2,186.04 km) |
| Grunheide to Montijo | 1,441.56 mi (2,319.97 km) |
| Grunheide to Mortagua | 1,328.62 mi (2,138.21 km) |
| Grunheide to Moura | 1,419.85 mi (2,285.03 km) |
| Grunheide to Murtosa | 1,328.56 mi (2,138.11 km) |
| Grunheide to Nazare | 1,400.72 mi (2,254.24 km) |
| Grunheide to Nelas | 1,310.49 mi (2,109.03 km) |
| Grunheide to Obidos | 1,416.26 mi (2,279.25 km) |
| Grunheide to Odemira | 1,490.10 mi (2,398.08 km) |
| Grunheide to Odivelas | 1,446.05 mi (2,327.19 km) |
| Grunheide to Oeiras | 1,456.48 mi (2,343.98 km) |
| Grunheide to Olhao | 1,493.12 mi (2,402.95 km) |
| Grunheide to Oliveira de Azemeis | 1,317.49 mi (2,120.30 km) |
| Grunheide to Oliveira de Frades | 1,312.77 mi (2,112.71 km) |
