| Istrana to Bougival | 515.57 mi (829.73 km) |
| Istrana to Bouguenais | 660.65 mi (1,063.21 km) |
| Istrana to Boulogne-Billancourt | 510.52 mi (821.61 km) |
| Istrana to Boulogne-sur-Mer | 594.53 mi (956.80 km) |
| Istrana to Bourg-de-Peage | 345.04 mi (555.29 km) |
| Istrana to Bourg-en-Bresse | 331.98 mi (534.27 km) |
| Istrana to Bourg-la-Reine | 505.98 mi (814.29 km) |
| Istrana to Bourg-les-Valence | 353.60 mi (569.06 km) |
| Istrana to Bourges | 472.19 mi (759.91 km) |
| Istrana to Bourgoin-Jallieu | 329.77 mi (530.71 km) |
| Istrana to Bressuire | 605.96 mi (975.20 km) |
| Istrana to Brest | 801.54 mi (1,289.96 km) |
| Istrana to Bretigny-sur-Orge | 502.26 mi (808.31 km) |
| Istrana to Breuillet | 506.99 mi (815.92 km) |
| Istrana to Briancon | 271.10 mi (436.30 km) |
