It can be slow but configuring the Tor node to use only high-bandwidth Tor relays and reducing the number of peers the node connects to can help to minimize the impact of latency on performance.
You can find a list of Tor relays and their speeds on the Tor Metrics website (https://metrics.torproject.org/rs.html).
Open your torrc configuration file. This file is typically located in /etc/tor/torrc on Linux systems or %AppData%\tor\torrc on Windows systems.
Add the following:
ExcludeNodes {SlowTorRelay1},{SlowTorRelay2}, ...