| Sint-Gillis-Waas to Montemor-o-Novo | 1,054.18 mi (1,696.54 km) |
| Sint-Gillis-Waas to Montemor-o-Velho | 979.19 mi (1,575.85 km) |
| Sint-Gillis-Waas to Montijo | 1,071.31 mi (1,724.11 km) |
| Sint-Gillis-Waas to Mortagua | 950.59 mi (1,529.83 km) |
| Sint-Gillis-Waas to Moura | 1,064.92 mi (1,713.83 km) |
| Sint-Gillis-Waas to Murtosa | 945.66 mi (1,521.89 km) |
| Sint-Gillis-Waas to Nazare | 1,022.99 mi (1,646.35 km) |
| Sint-Gillis-Waas to Nelas | 934.54 mi (1,504.00 km) |
| Sint-Gillis-Waas to Obidos | 1,039.58 mi (1,673.05 km) |
| Sint-Gillis-Waas to Odemira | 1,129.34 mi (1,817.49 km) |
| Sint-Gillis-Waas to Odivelas | 1,073.09 mi (1,726.97 km) |
| Sint-Gillis-Waas to Oeiras | 1,083.30 mi (1,743.40 km) |
| Sint-Gillis-Waas to Olhao | 1,142.63 mi (1,838.88 km) |
| Sint-Gillis-Waas to Oliveira de Azemeis | 934.84 mi (1,504.48 km) |
| Sint-Gillis-Waas to Oliveira de Frades | 932.98 mi (1,501.48 km) |
