I enjoy both,, i fell in love with from far away first, then read red river and fell in love with it too. Sometimes i compare these two wonderful manga but in the end i think they're equally good, both has their own charm.
I imagine if they're adapted into live movie/series, Red River would have the feel of Game of Throne, while From Far Away would have the feel of Lord of The Ring but with more romance
If anyone loved this manga as much as I did, try out 'from far away' it's really good and has this same situation but instead of Egypt it's a mystical world :)
5th time reading this never gets old.