Having Safari be able to open the same tabs on all your Apple devices is hugely convenient, yet Apple hides the feature away.
However, while they could have similar buttons located in different parts of the screen across devices, they'll likely follow the same order. For example, here is how to close all your tabs on the ...
Tap the tabs button in the bottom bar to access tabs from other devices on iPhone, iPad, or Android. Navigate to the Recent Tabs From Other Devices tab to see your other listed devices.