| Nettuno to Acqui Terme | 306.62 mi (493.46 km) |
| Nettuno to Acri | 237.90 mi (382.86 km) |
| Nettuno to Adelfia | 220.58 mi (354.99 km) |
| Nettuno to Adrano | 286.77 mi (461.51 km) |
| Nettuno to Adria | 249.52 mi (401.56 km) |
| Nettuno to Afragola | 93.83 mi (151.00 km) |
| Nettuno to Agliana | 188.22 mi (302.92 km) |
| Nettuno to Agrate Brianza | 329.33 mi (530.01 km) |
| Nettuno to Agrigento | 290.88 mi (468.12 km) |
| Nettuno to Agropoli | 143.47 mi (230.89 km) |
| Nettuno to Ala | 307.45 mi (494.79 km) |
| Nettuno to Alassio | 287.66 mi (462.95 km) |
| Nettuno to Alatri | 39.18 mi (63.05 km) |
| Nettuno to Alba | 323.28 mi (520.27 km) |
| Nettuno to Albano Laziale | 18.42 mi (29.64 km) |
