Your total trip with all stops is around 310 miles / 500 km, taking roughly 6 hours for the whole trip. If you want to see every small town along the way, you can get a full list of cities between FMA and PSS.
Start from Formosa International Airport.
Resistencia, Argentina is stopping point #1 after driving about 170 km (110 miles) or 2 hours.
Finally, Libertador General José de San Martín Airport is your destination after driving about 330 km (210 miles) or 4 hours. Your total trip with all stops is around 500 km or 310 miles, taking roughly 6 hours for the whole trip.
Travelmath helps you figure out where to stop when planning a long road trip from one location to another. The best stopping point for an overnight hotel stay or a break from driving often depends on how far or how long you want to drive before pausing to rest. You can find the closest city to your stopping point to look for hotels, or explore other cities and towns along the route. Use this as a road trip planner when you're driving cross-country or mapping a route with multiple stops.