| Isernia to Agen | 711.37 mi (1,144.84 km) |
| Isernia to Aigues-Mortes | 528.45 mi (850.46 km) |
| Isernia to Aire-sur-la-Lys | 841.44 mi (1,354.17 km) |
| Isernia to Aix-en-Provence | 466.58 mi (750.89 km) |
| Isernia to Aix-les-Bains | 502.49 mi (808.67 km) |
| Isernia to Aizenay | 859.84 mi (1,383.78 km) |
| Isernia to Ajaccio | 284.42 mi (457.73 km) |
| Isernia to Albert | 803.38 mi (1,292.91 km) |
| Isernia to Albertville | 482.50 mi (776.50 km) |
| Isernia to Albi | 633.47 mi (1,019.47 km) |
| Isernia to Alencon | 834.56 mi (1,343.09 km) |
| Isernia to Ales | 542.77 mi (873.51 km) |
| Isernia to Alfortville | 759.05 mi (1,221.57 km) |
| Isernia to Allauch | 461.85 mi (743.28 km) |
| Isernia to Allonnes | 816.70 mi (1,314.36 km) |
