| Isabela to Benisa | 4,206.22 mi (6,769.25 km) |
| Isabela to Berga | 4,297.55 mi (6,916.24 km) |
| Isabela to Berja | 4,044.02 mi (6,508.23 km) |
| Isabela to Bermeo | 4,068.18 mi (6,547.10 km) |
| Isabela to Berriozar | 4,119.23 mi (6,629.26 km) |
| Isabela to Betanzos | 3,793.01 mi (6,104.26 km) |
| Isabela to Betera | 4,177.90 mi (6,723.68 km) |
| Isabela to Bilbao | 4,057.59 mi (6,530.07 km) |
| Isabela to Binefar | 4,218.15 mi (6,788.45 km) |
| Isabela to Binisalem | 4,353.07 mi (7,005.59 km) |
| Isabela to Blanes | 4,346.66 mi (6,995.27 km) |
| Isabela to Boadilla del Monte | 3,998.38 mi (6,434.77 km) |
| Isabela to Boiro | 3,752.80 mi (6,039.55 km) |
| Isabela to Bolanos de Calatrava | 4,003.29 mi (6,442.67 km) |
| Isabela to Bollullos de la Mitacion | 3,868.88 mi (6,226.36 km) |
