When the crowd at the "orgy" starts calling for "Chocolate Sandwich" Travis' cigarette suddenly appears in his mouth, where it wasn't an instant before.
The roof of the car is dented by Travis standing on it outside the Government Facility, yet when he returns it is in the process of being destroyed, yet the dent is gone.
Blood on Travis' face appears and disappears after the interrogation scene.
A sign says 200 miles to London where Travis is picked up. He has reached there by walking for a while from the military establishment where the explosion took place. The distance even from London to the border of Scotland is 398 Miles.