Use the command /warp to get warped to a random location. You can go to a specific location by opening your Phone, then to Contacts, then to Taxi Service, then to Warp, and clicking on one of the warps. You can teleport to your house by opening your Phone, then to Contacts, then to Taxi Services, then to House, and clicking on the house you want to teleport to.
You can also access the taxi by right-clicking on Gerald Hackney, a glowing NPC that's located in the /spawn area.
When opening the menu you will see 5 glowing pearls at different pages, these are Popular warps. So if you wanna know where might be a lot of pvp it is recommended to warp there. When you don't look for pvp warp at the normal warps.
(Gerald HackneyNPC)
You can also use the command /tpa. With this command, you can send a teleport request to a specific player. With the command /tpahere you can a request to a player to teleport to you.