| Zagarolo to Bougival | 709.87 mi (1,142.42 km) |
| Zagarolo to Bouguenais | 800.57 mi (1,288.40 km) |
| Zagarolo to Boulogne-Billancourt | 704.99 mi (1,134.57 km) |
| Zagarolo to Boulogne-sur-Mer | 813.39 mi (1,309.02 km) |
| Zagarolo to Bourg-de-Peage | 448.62 mi (721.98 km) |
| Zagarolo to Bourg-en-Bresse | 483.37 mi (777.92 km) |
| Zagarolo to Bourg-la-Reine | 699.94 mi (1,126.45 km) |
| Zagarolo to Bourg-les-Valence | 452.64 mi (728.46 km) |
| Zagarolo to Bourges | 628.87 mi (1,012.06 km) |
| Zagarolo to Bourgoin-Jallieu | 457.71 mi (736.61 km) |
| Zagarolo to Bressuire | 742.34 mi (1,194.68 km) |
| Zagarolo to Brest | 955.45 mi (1,537.65 km) |
| Zagarolo to Bretigny-sur-Orge | 692.96 mi (1,115.21 km) |
| Zagarolo to Breuillet | 695.85 mi (1,119.86 km) |
| Zagarolo to Briancon | 376.27 mi (605.55 km) |
