| Ostringen to Alfena | 1,000.14 mi (1,609.56 km) |
| Ostringen to Alijo | 956.57 mi (1,539.45 km) |
| Ostringen to Aljustrel | 1,145.72 mi (1,843.86 km) |
| Ostringen to Almada | 1,144.03 mi (1,841.13 km) |
| Ostringen to Almargem | 1,140.16 mi (1,834.90 km) |
| Ostringen to Almeirim | 1,098.05 mi (1,767.14 km) |
| Ostringen to Amadora | 1,144.28 mi (1,841.54 km) |
| Ostringen to Amarante | 980.50 mi (1,577.95 km) |
| Ostringen to Amares | 975.99 mi (1,570.71 km) |
| Ostringen to Amora | 1,145.18 mi (1,842.99 km) |
| Ostringen to Anadia | 1,032.59 mi (1,661.79 km) |
| Ostringen to Angra do Heroismo | 1,908.50 mi (3,071.44 km) |
| Ostringen to Ansiao | 1,056.66 mi (1,700.53 km) |
| Ostringen to Anta | 1,014.29 mi (1,632.34 km) |
| Ostringen to Arcos de Valdevez | 969.68 mi (1,560.54 km) |
