| Merrillville to Cascais | 3,976.04 mi (6,398.82 km) |
| Merrillville to Castelo Branco | 4,026.65 mi (6,480.27 km) |
| Merrillville to Castro Daire | 3,969.94 mi (6,389.00 km) |
| Merrillville to Celorico de Basto | 3,950.73 mi (6,358.08 km) |
| Merrillville to Chamusca | 3,997.26 mi (6,432.97 km) |
| Merrillville to Chaves | 3,962.76 mi (6,377.45 km) |
| Merrillville to Cinfaes | 3,954.11 mi (6,363.53 km) |
| Merrillville to Coimbra | 3,970.44 mi (6,389.81 km) |
| Merrillville to Condeixa-a-Nova | 3,970.37 mi (6,389.70 km) |
| Merrillville to Corroios | 3,991.42 mi (6,423.57 km) |
| Merrillville to Coruche | 4,008.75 mi (6,451.46 km) |
| Merrillville to Costa de Caparica | 3,986.42 mi (6,415.53 km) |
| Merrillville to Covilha | 4,010.65 mi (6,454.52 km) |
| Merrillville to Eiras | 3,969.63 mi (6,388.51 km) |
| Merrillville to Elvas | 4,075.84 mi (6,559.44 km) |
