| Gretna to Alenquer | 4,506.66 mi (7,252.77 km) |
| Gretna to Alfena | 4,481.75 mi (7,212.68 km) |
| Gretna to Alijo | 4,532.47 mi (7,294.31 km) |
| Gretna to Aljustrel | 4,576.53 mi (7,365.22 km) |
| Gretna to Almada | 4,508.00 mi (7,254.92 km) |
| Gretna to Almargem | 4,498.40 mi (7,239.48 km) |
| Gretna to Almeirim | 4,523.41 mi (7,279.72 km) |
| Gretna to Amadora | 4,502.96 mi (7,246.82 km) |
| Gretna to Amarante | 4,503.66 mi (7,247.94 km) |
| Gretna to Amares | 4,482.79 mi (7,214.35 km) |
| Gretna to Amora | 4,511.25 mi (7,260.15 km) |
| Gretna to Anadia | 4,504.35 mi (7,249.05 km) |
| Gretna to Angra do Heroismo | 3,568.48 mi (5,742.91 km) |
| Gretna to Ansiao | 4,516.12 mi (7,267.99 km) |
| Gretna to Anta | 4,481.97 mi (7,213.03 km) |
