It is amazing how fast a motor will destroy itself with no oil. In the past I have read stories where people have drained/lost their super duper synthetic and it went 10 more laps etc etc... No way.

In the mid 90s I flew out west for a (photography) assignment and rented a Dodge Stratus. When finished I drove the 17 mile dirt road through the Valley of The Gods in Utah. I got a couple miles in and noticed the car was losing power, gave it more gas then turned down the radio which was up loud. Heard bad knocking lifted the throttle and that was it. Engine locked tight, starter wouldn't turn it.
Learned the hard way Stratus had a low hanging oil filter, a rock ripped a gash.

Started walking back to the road, car went about 100 yards or so after all the oil drained out... then I came across a two inch stripe of oil in the road all the way back to the rock.

I was very surprised how little distance was covered before the motor was locked solid junk.

My nice '83 300CD has original oil cooler hoses that seem okay, now I'm nervous. Terrible bad luck of the OP. All the best to you and hope you find a great replacement if original is toast.
Come warm weather gotta figure out quality replacement oil lines.
Maybe a nice Aeroquip setup like I've seen done on this forum. Have to search and study.