| Euclid to Santarem | 3,716.09 mi (5,980.47 km) |
| Euclid to Santiago do Cacem | 3,754.97 mi (6,043.05 km) |
| Euclid to Santo Andre | 3,751.49 mi (6,037.43 km) |
| Euclid to Santo Tirso | 3,660.51 mi (5,891.03 km) |
| Euclid to Sao Bras de Alportel | 3,823.03 mi (6,152.58 km) |
| Euclid to Sao Felix da Marinha | 3,662.44 mi (5,894.13 km) |
| Euclid to Sao Joao da Madeira | 3,672.92 mi (5,911.00 km) |
| Euclid to Sao Joao de Ver | 3,668.27 mi (5,903.51 km) |
| Euclid to Sao Mamede de Infesta | 3,658.40 mi (5,887.63 km) |
| Euclid to Sao Pedro do Sul | 3,697.21 mi (5,950.09 km) |
| Euclid to Satao | 3,713.29 mi (5,975.96 km) |
| Euclid to Seia | 3,724.55 mi (5,994.09 km) |
| Euclid to Senhora da Hora | 3,656.46 mi (5,884.50 km) |
| Euclid to Serpa | 3,809.99 mi (6,131.58 km) |
| Euclid to Serta | 3,725.67 mi (5,995.88 km) |
