It’s achievable by any frequency supported by Meshtastic. The average range you can expect, with good LoS, is between that 5-10km range.

However, if you have different circumstances you can expect less or even far above the average.

meshtastic.org/docs/overview/range-tests/

The range test article above shows the current record for a successful ping/chirp to another node. It’s at 254km currently :)