With WoW Classic almost here, you may be planning your trip around Azeroth with zone levels in mind. Our friends at Wowhead have guides to maximize your leveling time.
WoW classic leveling guide: 5 tips to level up fast
World of Warcraft Classic: How to Race to Level 60 Fast
Dragonflight Leveling Guide: Dragon Isles Fast Leveling In a Nutshell - WoW: Dragonflight Articles
Leveling a Paladin in Burning Crusade Classic
World of Warcraft Classic: How to Race to Level 60 Fast
Zones Archives Blizzard Watch
WoW Classic Archives, Page 28 of 42
World of Warcraft Classic: The 5 Longest Quest Chains
Jame's Horde Leveling Guide - Chapter VI (65-70) - Wow pro
Judgement's WoW Classic Alliance Leveling Guide 1-60 - Warcraft Tavern