| Idanha-a-Nova to Bagnolet | 779.49 mi (1,254.48 km) |
| Idanha-a-Nova to Bagnols-sur-Ceze | 674.42 mi (1,085.38 km) |
| Idanha-a-Nova to Bailleul | 888.96 mi (1,430.65 km) |
| Idanha-a-Nova to Balma | 516.94 mi (831.94 km) |
| Idanha-a-Nova to Bar-le-Duc | 863.81 mi (1,390.16 km) |
| Idanha-a-Nova to Barentin | 776.12 mi (1,249.04 km) |
| Idanha-a-Nova to Basse-Goulaine | 580.71 mi (934.57 km) |
| Idanha-a-Nova to Bastia | 885.41 mi (1,424.93 km) |
| Idanha-a-Nova to Bayeux | 721.56 mi (1,161.23 km) |
| Idanha-a-Nova to Bayonne | 385.88 mi (621.02 km) |
| Idanha-a-Nova to Beaucaire | 666.83 mi (1,073.16 km) |
| Idanha-a-Nova to Beauchamp | 780.38 mi (1,255.90 km) |
| Idanha-a-Nova to Beaumont | 659.22 mi (1,060.92 km) |
| Idanha-a-Nova to Beaumont-sur-Oise | 790.00 mi (1,271.37 km) |
| Idanha-a-Nova to Beaune | 778.02 mi (1,252.10 km) |
