| Lake Monticello to Cascais | 3,642.35 mi (5,861.79 km) |
| Lake Monticello to Castelo Branco | 3,707.89 mi (5,967.28 km) |
| Lake Monticello to Castro Daire | 3,658.84 mi (5,888.34 km) |
| Lake Monticello to Celorico de Basto | 3,643.52 mi (5,863.68 km) |
| Lake Monticello to Chamusca | 3,671.68 mi (5,908.99 km) |
| Lake Monticello to Chaves | 3,660.17 mi (5,890.48 km) |
| Lake Monticello to Cinfaes | 3,644.11 mi (5,864.62 km) |
| Lake Monticello to Coimbra | 3,652.10 mi (5,877.48 km) |
| Lake Monticello to Condeixa-a-Nova | 3,651.03 mi (5,875.77 km) |
| Lake Monticello to Corroios | 3,657.86 mi (5,886.75 km) |
| Lake Monticello to Coruche | 3,679.86 mi (5,922.16 km) |
| Lake Monticello to Costa de Caparica | 3,652.84 mi (5,878.67 km) |
| Lake Monticello to Covilha | 3,695.72 mi (5,947.69 km) |
| Lake Monticello to Eiras | 3,651.56 mi (5,876.62 km) |
| Lake Monticello to Elvas | 3,750.51 mi (6,035.86 km) |
