| Romanshorn to Amelia | 377.15 mi (606.97 km) |
| Romanshorn to Anagni | 443.36 mi (713.52 km) |
| Romanshorn to Ancona | 338.74 mi (545.15 km) |
| Romanshorn to Andria | 556.15 mi (895.03 km) |
| Romanshorn to Angri | 537.69 mi (865.33 km) |
| Romanshorn to Anguillara Sabazia | 404.54 mi (651.04 km) |
| Romanshorn to Anzio | 452.20 mi (727.74 km) |
| Romanshorn to Anzola dell'Emilia | 226.28 mi (364.16 km) |
| Romanshorn to Aosta | 159.21 mi (256.22 km) |
| Romanshorn to Apricena | 499.25 mi (803.47 km) |
| Romanshorn to Aprilia | 443.74 mi (714.14 km) |
| Romanshorn to Aradeo | 673.52 mi (1,083.93 km) |
| Romanshorn to Aragona | 734.61 mi (1,182.25 km) |
| Romanshorn to Arco | 134.80 mi (216.95 km) |
| Romanshorn to Arcola | 239.58 mi (385.57 km) |
