| Round Rock to Boekel | 5,116.75 mi (8,234.61 km) |
| Round Rock to Bolsward | 5,062.53 mi (8,147.36 km) |
| Round Rock to Borger | 5,113.01 mi (8,228.60 km) |
| Round Rock to Borne | 5,132.93 mi (8,260.66 km) |
| Round Rock to Boskoop | 5,063.16 mi (8,148.37 km) |
| Round Rock to Boxmeer | 5,125.63 mi (8,248.91 km) |
| Round Rock to Boxtel | 5,104.82 mi (8,215.42 km) |
| Round Rock to Breda | 5,083.69 mi (8,181.40 km) |
| Round Rock to Breukelen | 5,072.78 mi (8,163.85 km) |
| Round Rock to Brielle | 5,050.53 mi (8,128.05 km) |
| Round Rock to Bronkhorst | 5,119.53 mi (8,239.08 km) |
| Round Rock to Brummen | 5,118.30 mi (8,237.10 km) |
| Round Rock to Brunssum | 5,150.16 mi (8,288.39 km) |
| Round Rock to Bunnik | 5,085.45 mi (8,184.23 km) |
| Round Rock to Burgum | 5,074.98 mi (8,167.39 km) |
