Today I went up Ben Ime, which is a Munro (a hill of over 300ft / 914m). Ben Ime is 1011m high.
It was very clear, and from the summit to the north-west I could see what I thought was the Isle of Rum. It's the jagged peaks on the skyline in the picture below. I checked this on the map afterwards and it is certainly the right direction. Rum is 76 miles (122 km) from Ben Ime.
I also had excellent views of the other nearby hills. To the south I could see the Cobbler (884m).
To the east I could see Loch Lomond, Loch Arklet, Loch Katrine and Ben Ledi beyond.