| Idanha-a-Nova to Berga | 496.53 mi (799.08 km) |
| Idanha-a-Nova to Berja | 314.46 mi (506.08 km) |
| Idanha-a-Nova to Bermeo | 335.61 mi (540.10 km) |
| Idanha-a-Nova to Berriozar | 351.79 mi (566.14 km) |
| Idanha-a-Nova to Betanzos | 237.75 mi (382.61 km) |
| Idanha-a-Nova to Betera | 360.27 mi (579.79 km) |
| Idanha-a-Nova to Bilbao | 320.64 mi (516.01 km) |
| Idanha-a-Nova to Binefar | 415.40 mi (668.52 km) |
| Idanha-a-Nova to Binisalem | 534.33 mi (859.92 km) |
| Idanha-a-Nova to Blanes | 537.93 mi (865.71 km) |
| Idanha-a-Nova to Boadilla del Monte | 180.52 mi (290.52 km) |
| Idanha-a-Nova to Boiro | 207.72 mi (334.30 km) |
| Idanha-a-Nova to Bolanos de Calatrava | 200.86 mi (323.25 km) |
| Idanha-a-Nova to Bollullos de la Mitacion | 188.11 mi (302.73 km) |
| Idanha-a-Nova to Bollullos par del Condado | 182.25 mi (293.30 km) |
