Following repairs "Glasgow" was transferred to the Mediterranean where she was employed as a convoy escort and as a reinforcement of the 3rd Cruiser Squadron based at Alexandria. She took part in the Fleet Air Arm raid that crippled the Italian Fleet at Taranto; on 14 November, "Glasgow", along with , and , landed 3,400 troops from Alexandria in Piraeus. On 26 November, "Glasgow", and "York" escorted a supply convoy from Alexandria to Malta.