| Smithville to Cascais | 4,380.77 mi (7,050.17 km) |
| Smithville to Castelo Branco | 4,429.49 mi (7,128.58 km) |
| Smithville to Castro Daire | 4,371.77 mi (7,035.68 km) |
| Smithville to Celorico de Basto | 4,352.00 mi (7,003.87 km) |
| Smithville to Chamusca | 4,401.02 mi (7,082.76 km) |
| Smithville to Chaves | 4,363.29 mi (7,022.03 km) |
| Smithville to Cinfaes | 4,355.80 mi (7,009.99 km) |
| Smithville to Coimbra | 4,373.30 mi (7,038.14 km) |
| Smithville to Condeixa-a-Nova | 4,373.36 mi (7,038.25 km) |
| Smithville to Corroios | 4,396.12 mi (7,074.87 km) |
| Smithville to Coruche | 4,412.90 mi (7,101.87 km) |
| Smithville to Costa de Caparica | 4,391.13 mi (7,066.83 km) |
| Smithville to Covilha | 4,412.97 mi (7,102.00 km) |
| Smithville to Eiras | 4,372.45 mi (7,036.78 km) |
| Smithville to Elvas | 4,479.48 mi (7,209.03 km) |
