I’ve found your reach is something that improves over time, the more you do it the more comfortable you get. I use to find stretching my middle finger over 1 fret uncomfortable but now I’m pretty happy playing a whole minor arpeggio on one string (around 10th position and upwards).
Check out the finger stretches in this video for inspiration, especially towards the end:
If she can do it, you definitely can. Discomfort will be normal to start with but be sure to have breaks if you get any pain
Also, play around with your hand and guitar position to make sure you have good access and that your hand is in the best position for these wider stretches (Li-sa-X demonstrates this well).