| Monterotondo to Bougival | 691.34 mi (1,112.60 km) |
| Monterotondo to Bouguenais | 783.19 mi (1,260.43 km) |
| Monterotondo to Boulogne-Billancourt | 686.46 mi (1,104.75 km) |
| Monterotondo to Boulogne-sur-Mer | 794.73 mi (1,279.00 km) |
| Monterotondo to Bourg-de-Peage | 431.28 mi (694.08 km) |
| Monterotondo to Bourg-en-Bresse | 465.15 mi (748.59 km) |
| Monterotondo to Bourg-la-Reine | 681.41 mi (1,096.63 km) |
| Monterotondo to Bourg-les-Valence | 435.45 mi (700.79 km) |
| Monterotondo to Bourges | 610.84 mi (983.05 km) |
| Monterotondo to Bourgoin-Jallieu | 439.84 mi (707.86 km) |
| Monterotondo to Bressuire | 724.97 mi (1,166.73 km) |
| Monterotondo to Brest | 937.86 mi (1,509.33 km) |
| Monterotondo to Bretigny-sur-Orge | 674.46 mi (1,085.44 km) |
| Monterotondo to Breuillet | 677.37 mi (1,090.12 km) |
| Monterotondo to Briancon | 358.49 mi (576.93 km) |
