I used to do this with videos on DeoVR - they had a couple of long drive channels (usually across Korea) or biking in Japan - while on my exercise bike. After their app stopped working for me I looked for similar videos on Youtube.
I found a lot but unfortunately the VR ones tend to be badly compressed. There are a lot of 8K HD walking/driving videos but none of them are VR.
It is objectively better than staring at my back wall, though.
Somewhat related: Something I learned about South Korea is that a non-Korean service can't export detailed location data, so Google Maps doesn't work there. No turn-by-turn. Navar Maps is a local one to use if you're there.
They are still technically at war with the North, so some strange things like this come up. Awesome place to visit generally! Seoul is an awesome city, and Busan is gorgeous.