Khalda Wale Hanumanji is 1.5 mi (2.4 km) from central Narnaul, why not stop by during your stay. If you have fun at Khalda Wale Hanumanji, you'll love Modawala Mandir, located nearby.
Sightseeing doesn't have to be expensive. You if want to get outdoors, try a visit to Dhosi Hill or make a stop at attractions like Jal Mahal in Narnaul.