| Seveso to Montemor-o-Novo | 1,008.81 mi (1,623.52 km) |
| Seveso to Montemor-o-Velho | 975.36 mi (1,569.70 km) |
| Seveso to Montijo | 1,038.17 mi (1,670.77 km) |
| Seveso to Mortagua | 945.74 mi (1,522.03 km) |
| Seveso to Moura | 995.67 mi (1,602.38 km) |
| Seveso to Murtosa | 954.84 mi (1,536.66 km) |
| Seveso to Nazare | 1,012.34 mi (1,629.20 km) |
| Seveso to Nelas | 925.26 mi (1,489.06 km) |
| Seveso to Obidos | 1,025.04 mi (1,649.64 km) |
| Seveso to Odemira | 1,070.12 mi (1,722.19 km) |
| Seveso to Odivelas | 1,046.76 mi (1,684.60 km) |
| Seveso to Oeiras | 1,056.98 mi (1,701.04 km) |
| Seveso to Olhao | 1,059.73 mi (1,705.47 km) |
| Seveso to Oliveira de Azemeis | 944.13 mi (1,519.44 km) |
| Seveso to Oliveira de Frades | 934.34 mi (1,503.68 km) |
