| Sierre to Amelia | 353.70 mi (569.22 km) |
| Sierre to Anagni | 420.82 mi (677.24 km) |
| Sierre to Ancona | 346.19 mi (557.13 km) |
| Sierre to Andria | 560.45 mi (901.96 km) |
| Sierre to Angri | 521.24 mi (838.85 km) |
| Sierre to Anguillara Sabazia | 373.85 mi (601.65 km) |
| Sierre to Anzio | 420.30 mi (676.42 km) |
| Sierre to Anzola dell'Emilia | 214.92 mi (345.89 km) |
| Sierre to Aosta | 40.51 mi (65.20 km) |
| Sierre to Apricena | 501.68 mi (807.37 km) |
| Sierre to Aprilia | 413.34 mi (665.20 km) |
| Sierre to Aradeo | 681.94 mi (1,097.47 km) |
| Sierre to Aragona | 689.45 mi (1,109.56 km) |
| Sierre to Arco | 162.63 mi (261.73 km) |
| Sierre to Arcola | 189.79 mi (305.44 km) |
