| Suwalki to Montemor-o-Novo | 1,804.86 mi (2,904.64 km) |
| Suwalki to Montemor-o-Velho | 1,747.98 mi (2,813.10 km) |
| Suwalki to Montijo | 1,828.68 mi (2,942.98 km) |
| Suwalki to Mortagua | 1,718.12 mi (2,765.05 km) |
| Suwalki to Moura | 1,802.68 mi (2,901.14 km) |
| Suwalki to Murtosa | 1,719.09 mi (2,766.60 km) |
| Suwalki to Nazare | 1,789.88 mi (2,880.54 km) |
| Suwalki to Nelas | 1,699.60 mi (2,735.24 km) |
| Suwalki to Obidos | 1,805.11 mi (2,905.05 km) |
| Suwalki to Odemira | 1,874.25 mi (3,016.32 km) |
| Suwalki to Odivelas | 1,833.86 mi (2,951.31 km) |
| Suwalki to Oeiras | 1,844.31 mi (2,968.13 km) |
| Suwalki to Olhao | 1,874.01 mi (3,015.92 km) |
| Suwalki to Oliveira de Azemeis | 1,708.00 mi (2,748.76 km) |
| Suwalki to Oliveira de Frades | 1,702.72 mi (2,740.26 km) |
