Voldemort probably hoped Snape would be able to deliver news to him at this speed:
After confirming that Barty Crouch Jr. had left Cokeworth, Snape immediately contacted Dumbledore and told him about the Dark Lord's invitation.
Aside from telling Snape to be careful, Dumbledore reminded him of one thing: if the Dark Lord asked about Vizet, he only needed to answer truthfully.
Snape was not surprised by this. He had a very clear understanding of himself. The moment Barty Crouch Jr. informed him, he had resumed his identity as a "double agent."
A simpler reply was actually a good thing. The more one knew, the more likely it was to delay matters.
With a faint pop, Snape's figure appeared among the mountains.
Durmstrang was located amid the mountains of Northern Europe. He set foot on the winding, rugged mountain path, and everywhere he looked was a vast expanse of white.
Faced with snow so pure all around him, his state of mind instead grew complicated.
He was about to truly meet Voldemort again. The feeling was somewhat familiar, like several years ago, when he had once again truly seen Lily's eyes.
Even though those eyes... had appeared on a face that filled him with loathing.
He breathed out a puff of warm air. It scattered with the mountain wind, and in that moment, his thoughts drifted far away as well.
Snape seemed to return to his childhood, to the moment he first met Lily.
He had carefully planned the scene of his first meeting with Lily, yet when it was truly carried out, it could only be called a disaster.
He told Lily that she was a witch, but overlooked the fact that Lily had lived in a Muggle family since childhood. To Muggles, the word "witch" carried derogatory, even