| Groves to Montalegre | 4,690.21 mi (7,548.17 km) |
| Groves to Montemor-o-Novo | 4,749.86 mi (7,644.15 km) |
| Groves to Montemor-o-Velho | 4,688.10 mi (7,544.78 km) |
| Groves to Montijo | 4,714.78 mi (7,587.71 km) |
| Groves to Mortagua | 4,703.52 mi (7,569.58 km) |
| Groves to Moura | 4,801.82 mi (7,727.78 km) |
| Groves to Murtosa | 4,676.46 mi (7,526.03 km) |
| Groves to Nazare | 4,683.32 mi (7,537.08 km) |
| Groves to Nelas | 4,720.16 mi (7,596.37 km) |
| Groves to Obidos | 4,684.85 mi (7,539.53 km) |
| Groves to Odemira | 4,756.60 mi (7,655.00 km) |
| Groves to Odivelas | 4,698.04 mi (7,560.77 km) |
| Groves to Oeiras | 4,693.88 mi (7,554.06 km) |
| Groves to Olhao | 4,811.55 mi (7,743.45 km) |
| Groves to Oliveira de Azemeis | 4,681.54 mi (7,534.21 km) |
