| Gunbarrel to Alenquer | 4,837.60 mi (7,785.37 km) |
| Gunbarrel to Alfena | 4,770.40 mi (7,677.22 km) |
| Gunbarrel to Alijo | 4,813.14 mi (7,746.00 km) |
| Gunbarrel to Aljustrel | 4,921.01 mi (7,919.60 km) |
| Gunbarrel to Almada | 4,846.44 mi (7,799.59 km) |
| Gunbarrel to Almargem | 4,834.72 mi (7,780.74 km) |
| Gunbarrel to Almeirim | 4,848.86 mi (7,803.48 km) |
| Gunbarrel to Amadora | 4,841.01 mi (7,790.86 km) |
| Gunbarrel to Amarante | 4,788.62 mi (7,706.54 km) |
| Gunbarrel to Amares | 4,763.31 mi (7,665.81 km) |
| Gunbarrel to Amora | 4,850.34 mi (7,805.87 km) |
| Gunbarrel to Anadia | 4,806.72 mi (7,735.67 km) |
| Gunbarrel to Angra do Heroismo | 4,022.20 mi (6,473.10 km) |
| Gunbarrel to Ansiao | 4,827.64 mi (7,769.34 km) |
| Gunbarrel to Anta | 4,775.44 mi (7,685.33 km) |
