| Isernia to Belvedere Marittimo | 161.59 mi (260.06 km) |
| Isernia to Benevento | 42.97 mi (69.16 km) |
| Isernia to Bergamo | 363.38 mi (584.80 km) |
| Isernia to Bernalda | 151.48 mi (243.78 km) |
| Isernia to Bertinoro | 205.77 mi (331.16 km) |
| Isernia to Besana in Brianza | 376.06 mi (605.21 km) |
| Isernia to Besozzo | 404.21 mi (650.51 km) |
| Isernia to Biancavilla | 275.14 mi (442.80 km) |
| Isernia to Biassono | 373.25 mi (600.69 km) |
| Isernia to Bibbiano | 284.55 mi (457.94 km) |
| Isernia to Bibbiena | 190.13 mi (305.99 km) |
| Isernia to Biella | 412.64 mi (664.08 km) |
| Isernia to Bisceglie | 119.98 mi (193.09 km) |
| Isernia to Bisignano | 179.66 mi (289.14 km) |
| Isernia to Bitetto | 136.07 mi (218.99 km) |
