| Siano to Amelia | 168.50 mi (271.17 km) |
| Siano to Anagni | 102.85 mi (165.52 km) |
| Siano to Ancona | 203.58 mi (327.62 km) |
| Siano to Andria | 88.47 mi (142.37 km) |
| Siano to Angri | 8.22 mi (13.22 km) |
| Siano to Anguillara Sabazia | 153.75 mi (247.43 km) |
| Siano to Anzio | 116.39 mi (187.31 km) |
| Siano to Anzola dell'Emilia | 313.83 mi (505.06 km) |
| Siano to Aosta | 503.43 mi (810.19 km) |
| Siano to Apricena | 76.88 mi (123.72 km) |
| Siano to Aprilia | 119.20 mi (191.83 km) |
| Siano to Aradeo | 186.57 mi (300.25 km) |
| Siano to Aragona | 241.93 mi (389.35 km) |
| Siano to Arco | 401.77 mi (646.59 km) |
| Siano to Arcola | 334.79 mi (538.80 km) |
