| Niel to Castelo Branco | 966.12 mi (1,554.83 km) |
| Niel to Castro Daire | 916.66 mi (1,475.22 km) |
| Niel to Celorico de Basto | 891.76 mi (1,435.15 km) |
| Niel to Chamusca | 1,021.52 mi (1,643.98 km) |
| Niel to Chaves | 855.62 mi (1,376.99 km) |
| Niel to Cinfaes | 911.60 mi (1,467.08 km) |
| Niel to Coimbra | 970.56 mi (1,561.96 km) |
| Niel to Condeixa-a-Nova | 978.05 mi (1,574.02 km) |
| Niel to Corroios | 1,083.65 mi (1,743.96 km) |
| Niel to Coruche | 1,045.63 mi (1,682.79 km) |
| Niel to Costa de Caparica | 1,084.40 mi (1,745.17 km) |
| Niel to Covilha | 938.99 mi (1,511.17 km) |
| Niel to Eiras | 968.64 mi (1,558.88 km) |
| Niel to Elvas | 1,012.86 mi (1,630.05 km) |
| Niel to Entroncamento | 1,014.41 mi (1,632.53 km) |
