The phrase "although the range of" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding the extent or variety of something being discussed.
Example: "Although the range of options available is extensive, many customers still feel limited in their choices."
Alternatives: "even though the variety of" or "despite the scope of".
Although the range of courses and universities offering places through Adjustment is broad, the service is not available to everyone.
Although the range of his material was enormous, Mr. Meredith managed to present a strong narrative and sharp overview.
Although the range of subjects was extended, courses were diversified, and final achievement was indicated by a cumulative point system.
My children, one grown and one in college, love to read and had access to my old comics, as well as new ones (although the range of comics oriented to children seems diminished).
Talk to your neighbours about their television viewing habits and you will probably find that, although the range of programmes watched is pretty narrow, the methods for receiving them vary wildly from house to house.
Although the range of motion of the wrist was normal, the distal end of the ulna was enlarged and tender.
Although the range of application is wide, anomaly detection algorithms are usually domain specific and build on experts' knowledge.
Internal mound temperature varied daily following changes of the external temperature, although the range of variation was much smaller.
The literature in general agrees on the equalizing effect of these factors, at least in the short run, although the range of impact estimates is very ample.
Targeted genome editing using engineered nucleases can reliably generate defined genetic mutations, although the range of off-target lesions caused by these techniques is unclear.
Although the range of solution space is technically downsized, in most scheduling algorithms every partial solution still needs to be completely solved before this solution can be evaluated.
