If you have an Interrail Global Pass, it's valid for 2 journeys in your country of residence. You can use one journey for outbound travel and the other for inbound travel. Read more about travel in your own country. You may not use an Interrail One Country Pass to travel in your own country.
Please note that the Interrail Benelux Pass is valid in 3 countries. So if you're a Dutch resident, you can use this pass for travel in Belgium and Luxembourg.