| Round Rock to Beuvry | 5,038.24 mi (8,108.27 km) |
| Round Rock to Beziers | 5,298.05 mi (8,526.39 km) |
| Round Rock to Bezons | 5,071.03 mi (8,161.03 km) |
| Round Rock to Biarritz | 5,082.33 mi (8,179.22 km) |
| Round Rock to Biganos | 5,071.90 mi (8,162.43 km) |
| Round Rock to Billere | 5,139.89 mi (8,271.85 km) |
| Round Rock to Biot | 5,455.08 mi (8,779.10 km) |
| Round Rock to Biscarrosse | 5,071.54 mi (8,161.86 km) |
| Round Rock to Bischheim | 5,300.84 mi (8,530.87 km) |
| Round Rock to Bischwiller | 5,299.42 mi (8,528.60 km) |
| Round Rock to Blagnac | 5,208.24 mi (8,381.86 km) |
| Round Rock to Blain | 4,951.87 mi (7,969.27 km) |
| Round Rock to Blanquefort | 5,078.49 mi (8,173.05 km) |
| Round Rock to Blois | 5,077.34 mi (8,171.19 km) |
| Round Rock to Bobigny | 5,080.44 mi (8,176.18 km) |
