| Groningen to Alfena | 1,084.72 mi (1,745.69 km) |
| Groningen to Alijo | 1,051.74 mi (1,692.61 km) |
| Groningen to Aljustrel | 1,269.45 mi (2,042.97 km) |
| Groningen to Almada | 1,250.87 mi (2,013.08 km) |
| Groningen to Almargem | 1,244.24 mi (2,002.41 km) |
| Groningen to Almeirim | 1,205.04 mi (1,939.33 km) |
| Groningen to Amadora | 1,249.87 mi (2,011.47 km) |
| Groningen to Amarante | 1,069.49 mi (1,721.17 km) |
| Groningen to Amares | 1,057.64 mi (1,702.11 km) |
| Groningen to Amora | 1,252.93 mi (2,016.40 km) |
| Groningen to Anadia | 1,127.94 mi (1,815.24 km) |
| Groningen to Angra do Heroismo | 1,883.54 mi (3,031.27 km) |
| Groningen to Ansiao | 1,157.88 mi (1,863.43 km) |
| Groningen to Anta | 1,100.76 mi (1,771.50 km) |
| Groningen to Arcos de Valdevez | 1,047.34 mi (1,685.53 km) |
