| Round Rock to Bargas | 5,077.98 mi (8,172.21 km) |
| Round Rock to Bayona | 4,786.43 mi (7,703.01 km) |
| Round Rock to Baza | 5,215.06 mi (8,392.83 km) |
| Round Rock to Beasain | 5,067.46 mi (8,155.29 km) |
| Round Rock to Bejar | 4,981.57 mi (8,017.06 km) |
| Round Rock to Benaguacil | 5,251.01 mi (8,450.69 km) |
| Round Rock to Benahavis | 5,133.46 mi (8,261.51 km) |
| Round Rock to Benalmadena | 5,157.14 mi (8,299.62 km) |
| Round Rock to Benavente | 4,938.63 mi (7,947.96 km) |
| Round Rock to Benetuser | 5,265.46 mi (8,473.93 km) |
| Round Rock to Beniajan | 5,280.94 mi (8,498.85 km) |
| Round Rock to Benicarlo | 5,270.62 mi (8,482.24 km) |
| Round Rock to Benicasim | 5,266.22 mi (8,475.17 km) |
| Round Rock to Beniel | 5,282.00 mi (8,500.56 km) |
| Round Rock to Benifayo | 5,268.56 mi (8,478.93 km) |
