King James Version
Every valley shall be filled, and every mountain and hill shall be brought low; and the crooked shall be made straight, and the rough ways shall be made smooth;English Standard Version
Every valley shall be filled, and every mountain and hill shall be made low, and the crooked shall become straight, and the rough places shall become level ways,New International Version
Every valley shall be filled in, every mountain and hill made low. The crooked roads shall become straight, the rough ways smooth.