If you're looking for a meeting place or a good stop around ½ or halfway between Moron, Cuba and Matanzas, you can try Santo Domingo, Cuba, which is about 2½ hours west of Moron, Cuba, or a little over 2 hours east of Matanzas.
Another possible place to stop near the midpoint is Ranchuelo.
About ¼ or a fourth of the way, you can stop at Cabaiguan, Cuba. This is a little over 1 hour west of Moron, Cuba.
About ⅓ or a third of the way, you can stop at Santa Clara, Cuba. This is almost 2 hours west of Moron, Cuba.
About ⅔ or two thirds of the way, you can stop at Aguada de Pasajeros, Cuba. This is about 3 hours west of Moron, Cuba, or almost 2 hours southeast of Matanzas.
If you drive straight through without stopping at all, the total distance is 417 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 4 hours, 49 minutes.