| Round Rock to Bois-Colombes | 5,073.33 mi (8,164.74 km) |
| Round Rock to Bois-d'Arcy | 5,067.53 mi (8,155.40 km) |
| Round Rock to Bois-Guillaume | 5,009.73 mi (8,062.39 km) |
| Round Rock to Boissy-Saint-Leger | 5,088.43 mi (8,189.04 km) |
| Round Rock to Bolbec | 4,980.63 mi (8,015.54 km) |
| Round Rock to Bollene | 5,331.90 mi (8,580.86 km) |
| Round Rock to Bondoufle | 5,087.66 mi (8,187.79 km) |
| Round Rock to Bondues | 5,048.47 mi (8,124.73 km) |
| Round Rock to Bondy | 5,082.44 mi (8,179.40 km) |
| Round Rock to Bonneuil-sur-Marne | 5,086.77 mi (8,186.36 km) |
| Round Rock to Bonneville | 5,337.61 mi (8,590.05 km) |
| Round Rock to Bordeaux | 5,083.21 mi (8,180.64 km) |
| Round Rock to Borgo | 5,594.20 mi (9,002.99 km) |
| Round Rock to Bouc-Bel-Air | 5,389.51 mi (8,673.58 km) |
| Round Rock to Boucau | 5,084.26 mi (8,182.32 km) |
