| Formia to Amelia | 108.02 mi (173.84 km) |
| Formia to Anagni | 40.52 mi (65.21 km) |
| Formia to Ancona | 162.46 mi (261.46 km) |
| Formia to Andria | 139.44 mi (224.41 km) |
| Formia to Angri | 61.74 mi (99.37 km) |
| Formia to Anguillara Sabazia | 89.65 mi (144.28 km) |
| Formia to Anzio | 52.76 mi (84.90 km) |
| Formia to Anzola dell'Emilia | 257.63 mi (414.61 km) |
| Formia to Aosta | 441.25 mi (710.13 km) |
| Formia to Apricena | 100.13 mi (161.14 km) |
| Formia to Aprilia | 54.65 mi (87.95 km) |
| Formia to Aradeo | 249.18 mi (401.01 km) |
| Formia to Aragona | 267.03 mi (429.75 km) |
| Formia to Arco | 349.13 mi (561.88 km) |
| Formia to Arcola | 272.71 mi (438.88 km) |
