| Idanha-a-Nova to Boekel | 1,015.82 mi (1,634.81 km) |
| Idanha-a-Nova to Bolsward | 1,089.25 mi (1,752.98 km) |
| Idanha-a-Nova to Borger | 1,115.55 mi (1,795.31 km) |
| Idanha-a-Nova to Borne | 1,082.66 mi (1,742.37 km) |
| Idanha-a-Nova to Boskoop | 1,012.11 mi (1,628.84 km) |
| Idanha-a-Nova to Boxmeer | 1,026.61 mi (1,652.16 km) |
| Idanha-a-Nova to Boxtel | 1,005.39 mi (1,618.01 km) |
| Idanha-a-Nova to Breda | 990.01 mi (1,593.27 km) |
| Idanha-a-Nova to Breukelen | 1,027.14 mi (1,653.02 km) |
| Idanha-a-Nova to Brielle | 990.34 mi (1,593.81 km) |
| Idanha-a-Nova to Bronkhorst | 1,055.35 mi (1,698.42 km) |
| Idanha-a-Nova to Brummen | 1,054.39 mi (1,696.88 km) |
| Idanha-a-Nova to Brunssum | 992.29 mi (1,596.94 km) |
| Idanha-a-Nova to Bunnik | 1,026.96 mi (1,652.73 km) |
| Idanha-a-Nova to Burgum | 1,108.59 mi (1,784.10 km) |
