| Isernia to Acqui Terme | 360.06 mi (579.46 km) |
| Isernia to Acri | 183.76 mi (295.74 km) |
| Isernia to Adelfia | 142.57 mi (229.44 km) |
| Isernia to Adrano | 273.78 mi (440.61 km) |
| Isernia to Adria | 262.35 mi (422.21 km) |
| Isernia to Afragola | 47.57 mi (76.56 km) |
| Isernia to Agliana | 228.46 mi (367.67 km) |
| Isernia to Agrate Brianza | 367.97 mi (592.19 km) |
| Isernia to Agrigento | 298.20 mi (479.91 km) |
| Isernia to Agropoli | 94.85 mi (152.65 km) |
| Isernia to Ala | 329.05 mi (529.55 km) |
| Isernia to Alassio | 349.47 mi (562.41 km) |
| Isernia to Alatri | 47.11 mi (75.82 km) |
| Isernia to Alba | 378.86 mi (609.72 km) |
| Isernia to Albano Laziale | 81.69 mi (131.46 km) |
