| Grinon to Cascais | 314.84 mi (506.69 km) |
| Grinon to Castelo Branco | 195.09 mi (313.97 km) |
| Grinon to Castro Daire | 219.46 mi (353.19 km) |
| Grinon to Celorico de Basto | 231.51 mi (372.58 km) |
| Grinon to Chamusca | 253.16 mi (407.42 km) |
| Grinon to Chaves | 216.24 mi (348.00 km) |
| Grinon to Cinfaes | 232.63 mi (374.38 km) |
| Grinon to Coimbra | 241.58 mi (388.79 km) |
| Grinon to Condeixa-a-Nova | 245.58 mi (395.23 km) |
| Grinon to Corroios | 303.77 mi (488.86 km) |
| Grinon to Coruche | 263.77 mi (424.49 km) |
| Grinon to Costa de Caparica | 307.19 mi (494.37 km) |
| Grinon to Covilha | 192.52 mi (309.83 km) |
| Grinon to Eiras | 241.26 mi (388.27 km) |
| Grinon to Elvas | 199.02 mi (320.29 km) |
