| Guastalla to Amelia | 185.39 mi (298.35 km) |
| Guastalla to Anagni | 252.54 mi (406.42 km) |
| Guastalla to Ancona | 167.17 mi (269.03 km) |
| Guastalla to Andria | 382.20 mi (615.09 km) |
| Guastalla to Angri | 350.05 mi (563.36 km) |
| Guastalla to Anguillara Sabazia | 211.54 mi (340.45 km) |
| Guastalla to Anzio | 259.27 mi (417.26 km) |
| Guastalla to Anzola dell'Emilia | 36.41 mi (58.60 km) |
| Guastalla to Aosta | 172.22 mi (277.17 km) |
| Guastalla to Apricena | 323.53 mi (520.67 km) |
| Guastalla to Aprilia | 250.99 mi (403.93 km) |
| Guastalla to Aradeo | 503.38 mi (810.12 km) |
| Guastalla to Aragona | 541.34 mi (871.21 km) |
| Guastalla to Arco | 69.89 mi (112.47 km) |
| Guastalla to Arcola | 66.95 mi (107.74 km) |
