If you're looking for a meeting place or a good stop around ½ or halfway between Eau Claire and Minneapolis, you can try Woodville, WI, which is almost an hour west of Eau Claire, or almost an hour east of Minneapolis.
About ¼ or a fourth of the way, you can stop at Rusk, WI. This is about half an hour west of Eau Claire.
About ⅔ or two thirds of the way, you can stop at Hudson, WI. This is about 1 hour west of Eau Claire, or about half an hour east of Minneapolis.
If you drive straight through without stopping at all, the total distance is 92 miles. The distances shown above don't include local roads to get into each town, so if you're planning a long road trip, make sure you factor in traffic and road conditions, rest stop breaks, and interesting detours along the way. If you're in a rush, you can do the trip with zero stops, and your total travel time would be around 1 hour, 35 minutes.