Rock Bottom - S2-E20
Other mistake: The team is sent to the Kashmir region to capture kill an HVT. In the briefing room it was discussed in episode 19 that Alpha and Bravo teams would be involved in this op. However, it's only Bravo team on the ground and only Bravo that HAHO'd from the airplane. (00:12:58)
Rock Bottom - S2-E20
Continuity mistake: The team is somewhere in the Kashmir region and there's a few horses around them which appear to be wild. There is no farmhouse anywhere near them. The Seals end up commandeering the horses, and they're riding them. However, the horses have blankets and saddles on their backs. I'm pretty sure it's difficult to ride a wild horse, and they definitely didn't HAHO in on a mission with leather horse saddles and blankets. In addition, there was no farmhouse for them to find saddles to equip the horses. (00:27:15 - 00:28:30)
Answer: Yes. They would have to land 3-4 times for refuelling. The plane could fly with the wheels down, but the additional drag slows the plane and increases fuel consumption.