| Sinnai to Felgueiras | 926.00 mi (1,490.25 km) |
| Sinnai to Ferreira do Zezere | 931.26 mi (1,498.72 km) |
| Sinnai to Figueira da Foz | 959.47 mi (1,544.13 km) |
| Sinnai to Funchal | 1,524.85 mi (2,454.01 km) |
| Sinnai to Fundao | 888.25 mi (1,429.51 km) |
| Sinnai to Gafanha da Nazare | 951.55 mi (1,531.38 km) |
| Sinnai to Gondomar | 942.63 mi (1,517.02 km) |
| Sinnai to Gouveia | 893.12 mi (1,437.33 km) |
| Sinnai to Grandola | 958.99 mi (1,543.34 km) |
| Sinnai to Guarda | 879.11 mi (1,414.79 km) |
| Sinnai to Guimaraes | 931.50 mi (1,499.10 km) |
| Sinnai to Horta | 2,019.71 mi (3,250.41 km) |
| Sinnai to Idanha-a-Nova | 874.70 mi (1,407.69 km) |
| Sinnai to Ilhavo | 949.09 mi (1,527.41 km) |
| Sinnai to Lagoa | 968.33 mi (1,558.38 km) |
