This is the 743rd most frequent Vietnamese word.
quãng
The Vietnamese word "quãng" means "interval," "distance," or "period" depending on context.
Quãng đường is used here to refer to a stretch or length of a path or distance.
Quãng đường từ nhà tôi đến trường dài khoảng 5 km.
The distance from my house to the school is approximately 5 km.
Quãng in this context refers to the range or interval of musical pitches.
Bài nhạc có quãng rộng nên khó hát.
The song has a wide pitch range, making it difficult to sing.
Quãng thời gian in this sentence refers to a period or span of time.