How do get to white sands mm from tucumcari nm?

To get to White Sands Missile Range from Tucumcari, NM, take I-40 West for about 90 miles until you reach exit 139 for US-70 South. Continue on US-70 for approximately 40 miles until you reach Alamogordo. From Alamogordo, follow signs to the White Sands National Park entrance, which is about 15 miles away. The total drive will take around 2 hours.