| Gelsenkirchen to Alfena | 1,025.14 mi (1,649.80 km) |
| Gelsenkirchen to Alijo | 987.97 mi (1,589.98 km) |
| Gelsenkirchen to Aljustrel | 1,196.97 mi (1,926.33 km) |
| Gelsenkirchen to Almada | 1,184.34 mi (1,906.01 km) |
| Gelsenkirchen to Almargem | 1,178.67 mi (1,896.89 km) |
| Gelsenkirchen to Almeirim | 1,138.17 mi (1,831.70 km) |
| Gelsenkirchen to Amadora | 1,183.79 mi (1,905.12 km) |
| Gelsenkirchen to Amarante | 1,008.14 mi (1,622.45 km) |
| Gelsenkirchen to Amares | 998.91 mi (1,607.58 km) |
| Gelsenkirchen to Amora | 1,186.09 mi (1,908.82 km) |
| Gelsenkirchen to Anadia | 1,064.74 mi (1,713.54 km) |
| Gelsenkirchen to Angra do Heroismo | 1,871.39 mi (3,011.71 km) |
| Gelsenkirchen to Ansiao | 1,092.77 mi (1,758.64 km) |
| Gelsenkirchen to Anta | 1,040.61 mi (1,674.71 km) |
| Gelsenkirchen to Arcos de Valdevez | 989.99 mi (1,593.24 km) |
