If you're looking for a meeting place or a good stop around ½ or halfway between Vogar and Akureyri, you can try Hvammstangi, Iceland, which is about 2½ hours north of Vogar, or about 2½ hours west of Akureyri.
About ¼ or a fourth of the way, you can stop at Akranes, Iceland. This is about 1 hour north of Vogar.
About ⅓ or a third of the way, you can stop at Hvanneyri, Iceland. This is about 1½ hours northeast of Vogar.
About ⅔ or two thirds of the way, you can stop at Blonduos, Iceland. This is a little over 3 hours northeast of Vogar, or about 2 hours west of Akureyri.
If you drive straight through without stopping at all, the total distance is 423 km. 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 5 hours, 7 minutes.