| Idanha-a-Nova to Bahcesaray | 2,653.34 mi (4,270.14 km) |
| Idanha-a-Nova to Balikesir | 1,852.69 mi (2,981.61 km) |
| Idanha-a-Nova to Balya | 1,835.42 mi (2,953.82 km) |
| Idanha-a-Nova to Banaz | 1,964.18 mi (3,161.04 km) |
| Idanha-a-Nova to Bandirma | 1,847.27 mi (2,972.90 km) |
| Idanha-a-Nova to Bartin | 2,055.63 mi (3,308.21 km) |
| Idanha-a-Nova to Baskale | 2,717.23 mi (4,372.97 km) |
| Idanha-a-Nova to Baskil | 2,438.59 mi (3,924.53 km) |
| Idanha-a-Nova to Basmakci | 1,992.51 mi (3,206.63 km) |
| Idanha-a-Nova to Batman | 2,572.33 mi (4,139.76 km) |
| Idanha-a-Nova to Battalgazi | 2,417.93 mi (3,891.29 km) |
| Idanha-a-Nova to Bayat | 2,167.15 mi (3,487.69 km) |
| Idanha-a-Nova to Bayburt | 2,478.04 mi (3,988.02 km) |
| Idanha-a-Nova to Bayindir | 1,862.95 mi (2,998.13 km) |
| Idanha-a-Nova to Baykan | 2,599.91 mi (4,184.15 km) |
