Final answer:
The Ukraine-Belarus land border is roughly 1,084 kilometers (674 miles) long and is significant for historical and geopolitical reasons.
Step-by-step explanation:
The length of the land border that Ukraine shares with Belarus is approximately 1,084 kilometers (674 miles).
This border region has been an area of significant historical and geopolitical importance, particularly during and after the Soviet era.
With Ukraine being the second-largest country in Europe after Russia, and given its strategic location, its borders with neighboring countries like Belarus are an essential aspect of its geopolitical and security considerations.
The length of the land border that Ukraine shares with Belarus is approximately 1,084 kilometers (674 miles).