| Sulphur to Cascais | 4,649.72 mi (7,483.00 km) |
| Sulphur to Castelo Branco | 4,716.60 mi (7,590.63 km) |
| Sulphur to Castro Daire | 4,667.83 mi (7,512.15 km) |
| Sulphur to Celorico de Basto | 4,652.54 mi (7,487.54 km) |
| Sulphur to Chamusca | 4,679.91 mi (7,531.59 km) |
| Sulphur to Chaves | 4,669.13 mi (7,514.24 km) |
| Sulphur to Cinfaes | 4,653.12 mi (7,488.47 km) |
| Sulphur to Coimbra | 4,660.85 mi (7,500.91 km) |
| Sulphur to Condeixa-a-Nova | 4,659.73 mi (7,499.11 km) |
| Sulphur to Corroios | 4,665.22 mi (7,507.95 km) |
| Sulphur to Coruche | 4,687.76 mi (7,544.21 km) |
| Sulphur to Costa de Caparica | 4,660.21 mi (7,499.88 km) |
| Sulphur to Covilha | 4,704.61 mi (7,571.34 km) |
| Sulphur to Eiras | 4,660.33 mi (7,500.07 km) |
| Sulphur to Elvas | 4,758.70 mi (7,658.38 km) |
