| Cities | Distance |
|---|---|
| Sierre to Alenquer | 975.76 mi (1,570.33 km) |
| Sierre to Alfena | 872.19 mi (1,403.66 km) |
| Sierre to Alijo | 823.41 mi (1,325.15 km) |
| Sierre to Aljustrel | 988.60 mi (1,591.00 km) |
| Sierre to Almada | 997.14 mi (1,604.74 km) |
| Sierre to Almargem | 995.08 mi (1,601.42 km) |
| Sierre to Almeirim | 952.34 mi (1,532.64 km) |
| Sierre to Amadora | 998.16 mi (1,606.38 km) |
| Sierre to Amarante | 850.43 mi (1,368.64 km) |
| Sierre to Amares | 851.01 mi (1,369.58 km) |
| Sierre to Amora | 997.71 mi (1,605.65 km) |
| Sierre to Anadia | 896.36 mi (1,442.55 km) |
| Sierre to Angra do Heroismo | 1,831.31 mi (2,947.21 km) |
| Sierre to Ansiao | 915.85 mi (1,473.91 km) |
| Sierre to Anta | 884.54 mi (1,423.54 km) |