| Mersch to Santiago do Cacem | 1,091.69 mi (1,756.91 km) |
| Mersch to Santo Andre | 1,091.52 mi (1,756.63 km) |
| Mersch to Santo Tirso | 911.07 mi (1,466.22 km) |
| Mersch to Sao Bras de Alportel | 1,114.17 mi (1,793.08 km) |
| Mersch to Sao Felix da Marinha | 931.42 mi (1,498.98 km) |
| Mersch to Sao Joao da Madeira | 933.26 mi (1,501.94 km) |
| Mersch to Sao Joao de Ver | 932.72 mi (1,501.07 km) |
| Mersch to Sao Mamede de Infesta | 922.47 mi (1,484.57 km) |
| Mersch to Sao Pedro do Sul | 925.40 mi (1,489.29 km) |
| Mersch to Satao | 914.40 mi (1,471.59 km) |
| Mersch to Seia | 929.31 mi (1,495.58 km) |
| Mersch to Senhora da Hora | 925.03 mi (1,488.69 km) |
| Mersch to Serpa | 1,060.17 mi (1,706.19 km) |
| Mersch to Serta | 975.52 mi (1,569.96 km) |
| Mersch to Sesimbra | 1,081.85 mi (1,741.08 km) |
