I'm not an expert knitted but I've been learning how to knit in the round for a sock using 2 circular needles with an overall length of 40cm. You could also
Knitting Tutorial - The Black Squirrel's Favorite Toe-Up Sock
Still plugging away at the knitted socks - Art Paper Joy
Knitting a sock leg on two circular needles
Socks on 9 Circular Knitting Needles
How do you combat second sock syndrome? : r/knitting
Simple Sock Knitting - DesignMatters TV
Sock Knitting Patterns Perfect For Winter - HiyaHiya Direct
How To Knit Socks On 9-inch Circular Needles - MuffinChanel
Easy Striped Socks [FREE Knitting Pattern]
The mildly mixed up musings of a crochet fanatic!
Easy Sock Knitting Patterns - In the Loop Knitting
Free Pattern for Easy Knit Spiral Socks — Knit Paint Sew
Knitting Circles Around Socks: Knit Two at a Time on Circular