| Gengenbach to Alfena | 946.83 mi (1,523.77 km) |
| Gengenbach to Alijo | 902.04 mi (1,451.69 km) |
| Gengenbach to Aljustrel | 1,086.79 mi (1,749.02 km) |
| Gengenbach to Almada | 1,087.08 mi (1,749.48 km) |
| Gengenbach to Almargem | 1,083.57 mi (1,743.83 km) |
| Gengenbach to Almeirim | 1,041.26 mi (1,675.75 km) |
| Gengenbach to Amadora | 1,087.48 mi (1,750.13 km) |
| Gengenbach to Amarante | 926.68 mi (1,491.35 km) |
| Gengenbach to Amares | 923.26 mi (1,485.84 km) |
| Gengenbach to Amora | 1,088.12 mi (1,751.15 km) |
| Gengenbach to Anadia | 977.60 mi (1,573.30 km) |
| Gengenbach to Angra do Heroismo | 1,869.05 mi (3,007.94 km) |
| Gengenbach to Ansiao | 1,000.78 mi (1,610.61 km) |
| Gengenbach to Anta | 960.63 mi (1,545.99 km) |
| Gengenbach to Arcos de Valdevez | 917.57 mi (1,476.68 km) |
