| Zagarolo to Berga | 564.39 mi (908.29 km) |
| Zagarolo to Berja | 909.22 mi (1,463.24 km) |
| Zagarolo to Bermeo | 797.38 mi (1,283.26 km) |
| Zagarolo to Berriozar | 743.14 mi (1,195.96 km) |
| Zagarolo to Betanzos | 1,072.82 mi (1,726.54 km) |
| Zagarolo to Betera | 712.55 mi (1,146.73 km) |
| Zagarolo to Bilbao | 806.88 mi (1,298.54 km) |
| Zagarolo to Binefar | 644.57 mi (1,037.33 km) |
| Zagarolo to Binisalem | 543.67 mi (874.95 km) |
| Zagarolo to Blanes | 517.39 mi (832.66 km) |
| Zagarolo to Boadilla del Monte | 873.83 mi (1,406.30 km) |
| Zagarolo to Boiro | 1,110.05 mi (1,786.45 km) |
| Zagarolo to Bolanos de Calatrava | 893.34 mi (1,437.69 km) |
| Zagarolo to Bollullos de la Mitacion | 1,054.19 mi (1,696.56 km) |
| Zagarolo to Bollullos par del Condado | 1,074.52 mi (1,729.27 km) |
