| Grootegast to Montemor-o-Novo | 1,219.06 mi (1,961.88 km) |
| Grootegast to Montemor-o-Velho | 1,142.39 mi (1,838.50 km) |
| Grootegast to Montijo | 1,235.60 mi (1,988.51 km) |
| Grootegast to Mortagua | 1,114.06 mi (1,792.91 km) |
| Grootegast to Moura | 1,230.46 mi (1,980.24 km) |
| Grootegast to Murtosa | 1,108.26 mi (1,783.58 km) |
| Grootegast to Nazare | 1,186.32 mi (1,909.20 km) |
| Grootegast to Nelas | 1,098.38 mi (1,767.67 km) |
| Grootegast to Obidos | 1,203.04 mi (1,936.11 km) |
| Grootegast to Odemira | 1,294.45 mi (2,083.22 km) |
| Grootegast to Odivelas | 1,237.03 mi (1,990.80 km) |
| Grootegast to Oeiras | 1,247.18 mi (2,007.14 km) |
| Grootegast to Olhao | 1,308.29 mi (2,105.49 km) |
| Grootegast to Oliveira de Azemeis | 1,097.53 mi (1,766.30 km) |
| Grootegast to Oliveira de Frades | 1,096.20 mi (1,764.17 km) |
