| Trondheim to Montemor-o-Novo | 1,877.22 mi (3,021.10 km) |
| Trondheim to Montemor-o-Velho | 1,786.14 mi (2,874.51 km) |
| Trondheim to Montijo | 1,886.74 mi (3,036.41 km) |
| Trondheim to Mortagua | 1,760.86 mi (2,833.83 km) |
| Trondheim to Moura | 1,898.57 mi (3,055.45 km) |
| Trondheim to Murtosa | 1,748.41 mi (2,813.79 km) |
| Trondheim to Nazare | 1,829.84 mi (2,944.84 km) |
| Trondheim to Nelas | 1,748.78 mi (2,814.39 km) |
| Trondheim to Obidos | 1,847.22 mi (2,972.81 km) |
| Trondheim to Odemira | 1,954.31 mi (3,145.16 km) |
| Trondheim to Odivelas | 1,884.64 mi (3,033.03 km) |
| Trondheim to Oeiras | 1,894.04 mi (3,048.16 km) |
| Trondheim to Olhao | 1,977.99 mi (3,183.26 km) |
| Trondheim to Oliveira de Azemeis | 1,738.65 mi (2,798.09 km) |
| Trondheim to Oliveira de Frades | 1,741.53 mi (2,802.71 km) |
