| Erba to Castelo Branco | 940.73 mi (1,513.95 km) |
| Erba to Castro Daire | 923.78 mi (1,486.68 km) |
| Erba to Celorico de Basto | 912.07 mi (1,467.84 km) |
| Erba to Chamusca | 1,002.22 mi (1,612.91 km) |
| Erba to Chaves | 876.89 mi (1,411.23 km) |
| Erba to Cinfaes | 926.85 mi (1,491.62 km) |
| Erba to Coimbra | 969.28 mi (1,559.91 km) |
| Erba to Condeixa-a-Nova | 975.75 mi (1,570.32 km) |
| Erba to Corroios | 1,059.98 mi (1,705.87 km) |
| Erba to Coruche | 1,018.91 mi (1,639.77 km) |
| Erba to Costa de Caparica | 1,062.64 mi (1,710.15 km) |
| Erba to Covilha | 924.23 mi (1,487.40 km) |
| Erba to Eiras | 968.00 mi (1,557.84 km) |
| Erba to Elvas | 961.28 mi (1,547.04 km) |
| Erba to Entroncamento | 997.30 mi (1,605.01 km) |
