| Grefrath to Santiago do Cacem | 1,175.49 mi (1,891.77 km) |
| Grefrath to Santo Andre | 1,175.08 mi (1,891.12 km) |
| Grefrath to Santo Tirso | 984.76 mi (1,584.82 km) |
| Grefrath to Sao Bras de Alportel | 1,202.26 mi (1,934.85 km) |
| Grefrath to Sao Felix da Marinha | 1,005.81 mi (1,618.69 km) |
| Grefrath to Sao Joao da Madeira | 1,008.62 mi (1,623.22 km) |
| Grefrath to Sao Joao de Ver | 1,007.65 mi (1,621.66 km) |
| Grefrath to Sao Mamede de Infesta | 996.26 mi (1,603.33 km) |
| Grefrath to Sao Pedro do Sul | 1,002.69 mi (1,613.67 km) |
| Grefrath to Satao | 992.84 mi (1,597.83 km) |
| Grefrath to Seia | 1,008.96 mi (1,623.76 km) |
| Grefrath to Senhora da Hora | 998.72 mi (1,607.28 km) |
| Grefrath to Serpa | 1,147.26 mi (1,846.33 km) |
| Grefrath to Serta | 1,055.99 mi (1,699.44 km) |
| Grefrath to Sesimbra | 1,163.37 mi (1,872.26 km) |
