| Romanshorn to Santarem | 1,069.17 mi (1,720.66 km) |
| Romanshorn to Santiago do Cacem | 1,123.90 mi (1,808.74 km) |
| Romanshorn to Santo Andre | 1,124.40 mi (1,809.55 km) |
| Romanshorn to Santo Tirso | 975.76 mi (1,570.34 km) |
| Romanshorn to Sao Bras de Alportel | 1,132.40 mi (1,822.43 km) |
| Romanshorn to Sao Felix da Marinha | 993.75 mi (1,599.29 km) |
| Romanshorn to Sao Joao da Madeira | 993.09 mi (1,598.23 km) |
| Romanshorn to Sao Joao de Ver | 993.63 mi (1,599.10 km) |
| Romanshorn to Sao Mamede de Infesta | 986.54 mi (1,587.68 km) |
| Romanshorn to Sao Pedro do Sul | 980.50 mi (1,577.96 km) |
| Romanshorn to Satao | 966.80 mi (1,555.92 km) |
| Romanshorn to Seia | 977.95 mi (1,573.86 km) |
| Romanshorn to Senhora da Hora | 989.30 mi (1,592.12 km) |
| Romanshorn to Serpa | 1,083.02 mi (1,742.95 km) |
| Romanshorn to Serta | 1,020.48 mi (1,642.31 km) |
