| Prato to Bougival | 547.94 mi (881.82 km) |
| Prato to Bouguenais | 655.45 mi (1,054.84 km) |
| Prato to Boulogne-Billancourt | 542.99 mi (873.86 km) |
| Prato to Boulogne-sur-Mer | 647.90 mi (1,042.69 km) |
| Prato to Bourg-de-Peage | 308.63 mi (496.70 km) |
| Prato to Bourg-en-Bresse | 328.30 mi (528.34 km) |
| Prato to Bourg-la-Reine | 538.01 mi (865.84 km) |
| Prato to Bourg-les-Valence | 314.72 mi (506.49 km) |
| Prato to Bourges | 475.67 mi (765.52 km) |
| Prato to Bourgoin-Jallieu | 309.05 mi (497.37 km) |
| Prato to Bressuire | 597.75 mi (961.99 km) |
| Prato to Brest | 806.83 mi (1,298.46 km) |
| Prato to Bretigny-sur-Orge | 531.66 mi (855.62 km) |
| Prato to Breuillet | 534.97 mi (860.96 km) |
| Prato to Briancon | 231.15 mi (372.00 km) |
