| Duncan to Fatima | 4,718.62 mi (7,593.89 km) |
| Duncan to Felgueiras | 4,685.06 mi (7,539.87 km) |
| Duncan to Ferreira do Zezere | 4,734.80 mi (7,619.92 km) |
| Duncan to Figueira da Foz | 4,693.27 mi (7,553.09 km) |
| Duncan to Funchal | 4,527.17 mi (7,285.77 km) |
| Duncan to Fundao | 4,756.98 mi (7,655.62 km) |
| Duncan to Gafanha da Nazare | 4,684.30 mi (7,538.65 km) |
| Duncan to Gondomar | 4,676.48 mi (7,526.06 km) |
| Duncan to Gouveia | 4,740.48 mi (7,629.06 km) |
| Duncan to Grandola | 4,770.62 mi (7,677.58 km) |
| Duncan to Guarda | 4,751.79 mi (7,647.26 km) |
| Duncan to Guimaraes | 4,677.82 mi (7,528.22 km) |
| Duncan to Horta | 3,763.62 mi (6,056.97 km) |
| Duncan to Idanha-a-Nova | 4,776.47 mi (7,686.99 km) |
| Duncan to Ilhavo | 4,687.61 mi (7,543.98 km) |
