| s-Heerenberg to Montemor-o-Novo | 1,148.71 mi (1,848.68 km) |
| s-Heerenberg to Montemor-o-Velho | 1,076.36 mi (1,732.23 km) |
| s-Heerenberg to Montijo | 1,166.96 mi (1,878.03 km) |
| s-Heerenberg to Mortagua | 1,047.48 mi (1,685.76 km) |
| s-Heerenberg to Moura | 1,157.42 mi (1,862.69 km) |
| s-Heerenberg to Murtosa | 1,043.47 mi (1,679.31 km) |
| s-Heerenberg to Nazare | 1,119.98 mi (1,802.44 km) |
| s-Heerenberg to Nelas | 1,030.99 mi (1,659.22 km) |
| s-Heerenberg to Obidos | 1,136.40 mi (1,828.87 km) |
| s-Heerenberg to Odemira | 1,223.22 mi (1,968.57 km) |
| s-Heerenberg to Odivelas | 1,169.27 mi (1,881.75 km) |
| s-Heerenberg to Oeiras | 1,179.54 mi (1,898.28 km) |
| s-Heerenberg to Olhao | 1,234.42 mi (1,986.61 km) |
| s-Heerenberg to Oliveira de Azemeis | 1,032.58 mi (1,661.78 km) |
| s-Heerenberg to Oliveira de Frades | 1,030.17 mi (1,657.90 km) |
