| Greenock to Alenquer | 1,183.86 mi (1,905.24 km) |
| Greenock to Alfena | 1,030.53 mi (1,658.48 km) |
| Greenock to Alijo | 1,021.20 mi (1,643.46 km) |
| Greenock to Aljustrel | 1,255.89 mi (2,021.17 km) |
| Greenock to Almada | 1,210.23 mi (1,947.68 km) |
| Greenock to Almargem | 1,199.68 mi (1,930.70 km) |
| Greenock to Almeirim | 1,170.70 mi (1,884.06 km) |
| Greenock to Amadora | 1,207.19 mi (1,942.78 km) |
| Greenock to Amarante | 1,025.37 mi (1,650.18 km) |
| Greenock to Amares | 1,003.23 mi (1,614.54 km) |
| Greenock to Amora | 1,213.61 mi (1,953.11 km) |
| Greenock to Anadia | 1,084.95 mi (1,746.05 km) |
| Greenock to Angra do Heroismo | 1,577.48 mi (2,538.70 km) |
| Greenock to Ansiao | 1,120.34 mi (1,803.01 km) |
| Greenock to Anta | 1,047.05 mi (1,685.07 km) |
