| Davidson to Cascais | 3,838.80 mi (6,177.95 km) |
| Davidson to Castelo Branco | 3,907.42 mi (6,288.39 km) |
| Davidson to Castro Daire | 3,860.00 mi (6,212.07 km) |
| Davidson to Celorico de Basto | 3,845.45 mi (6,188.66 km) |
| Davidson to Chamusca | 3,869.85 mi (6,227.93 km) |
| Davidson to Chaves | 3,862.92 mi (6,216.77 km) |
| Davidson to Cinfaes | 3,845.50 mi (6,188.74 km) |
| Davidson to Coimbra | 3,851.83 mi (6,198.92 km) |
| Davidson to Condeixa-a-Nova | 3,850.56 mi (6,196.88 km) |
| Davidson to Corroios | 3,854.30 mi (6,202.90 km) |
| Davidson to Coruche | 3,877.29 mi (6,239.90 km) |
| Davidson to Costa de Caparica | 3,849.29 mi (6,194.83 km) |
| Davidson to Covilha | 3,896.05 mi (6,270.09 km) |
| Davidson to Eiras | 3,851.35 mi (6,198.15 km) |
| Davidson to Elvas | 3,948.56 mi (6,354.60 km) |
