| Trnava to Montalegre | 1,310.68 mi (2,109.33 km) |
| Trnava to Montemor-o-Novo | 1,447.49 mi (2,329.51 km) |
| Trnava to Montemor-o-Velho | 1,409.08 mi (2,267.69 km) |
| Trnava to Montijo | 1,476.04 mi (2,375.45 km) |
| Trnava to Mortagua | 1,379.19 mi (2,219.59 km) |
| Trnava to Moura | 1,435.64 mi (2,310.43 km) |
| Trnava to Murtosa | 1,386.20 mi (2,230.87 km) |
| Trnava to Nazare | 1,447.45 mi (2,329.45 km) |
| Trnava to Nelas | 1,359.06 mi (2,187.19 km) |
| Trnava to Obidos | 1,460.79 mi (2,350.91 km) |
| Trnava to Odemira | 1,509.94 mi (2,430.01 km) |
| Trnava to Odivelas | 1,484.04 mi (2,388.34 km) |
| Trnava to Oeiras | 1,494.34 mi (2,404.91 km) |
| Trnava to Olhao | 1,500.08 mi (2,414.15 km) |
| Trnava to Oliveira de Azemeis | 1,375.30 mi (2,213.33 km) |
