
MikMik |

Using logic - yes!
If you can shoot a non-magic light crossbow and hit a target at any location, the distances can't be that far. So why not a spell?
But as it has been mentioned, it depends upon the spell.
ACID ARROW says: for your combat check...
That would have to be your own combat against a target in your own location.
GUIDANCE says: Discard to add 1 to a check.
That sould be cast on any check in any location.
FIND TRAPS says: Discard to add 2 dice to any check to detect a barrier.
That could be played on any barrier being checked by any character anywhere.