| Mont-de-Marsan to Santiago do Cacem | 589.16 mi (948.17 km) |
| Mont-de-Marsan to Santo Andre | 589.40 mi (948.55 km) |
| Mont-de-Marsan to Santo Tirso | 441.70 mi (710.85 km) |
| Mont-de-Marsan to Sao Bras de Alportel | 605.48 mi (974.43 km) |
| Mont-de-Marsan to Sao Felix da Marinha | 458.38 mi (737.70 km) |
| Mont-de-Marsan to Sao Joao da Madeira | 456.82 mi (735.18 km) |
| Mont-de-Marsan to Sao Joao de Ver | 457.73 mi (736.65 km) |
| Mont-de-Marsan to Sao Mamede de Infesta | 452.01 mi (727.45 km) |
| Mont-de-Marsan to Sao Pedro do Sul | 443.02 mi (712.98 km) |
| Mont-de-Marsan to Satao | 428.90 mi (690.25 km) |
| Mont-de-Marsan to Seia | 439.64 mi (707.53 km) |
| Mont-de-Marsan to Senhora da Hora | 454.82 mi (731.95 km) |
| Mont-de-Marsan to Serpa | 552.84 mi (889.72 km) |
| Mont-de-Marsan to Serta | 482.24 mi (776.10 km) |
| Mont-de-Marsan to Sesimbra | 583.96 mi (939.80 km) |
