| Round Rock to Brie-Comte-Robert | 5,094.39 mi (8,198.63 km) |
| Round Rock to Brignais | 5,283.64 mi (8,503.20 km) |
| Round Rock to Brignoles | 5,419.05 mi (8,721.11 km) |
| Round Rock to Brive-la-Gaillarde | 5,164.49 mi (8,311.45 km) |
| Round Rock to Bron | 5,288.04 mi (8,510.27 km) |
| Round Rock to Bruay-sur-l'Escaut | 5,075.60 mi (8,168.40 km) |
| Round Rock to Bruges | 5,080.46 mi (8,176.20 km) |
| Round Rock to Brumath | 5,294.89 mi (8,521.30 km) |
| Round Rock to Brunoy | 5,089.92 mi (8,191.43 km) |
| Round Rock to Bruz | 4,936.35 mi (7,944.29 km) |
| Round Rock to Bry-sur-Marne | 5,086.00 mi (8,185.13 km) |
| Round Rock to Bully-les-Mines | 5,042.49 mi (8,115.10 km) |
| Round Rock to Bures-sur-Yvette | 5,076.12 mi (8,169.23 km) |
| Round Rock to Bussy-Saint-Georges | 5,093.04 mi (8,196.45 km) |
| Round Rock to Buxerolles | 5,067.96 mi (8,156.09 km) |
