Final answer:
To find the distance between New York and Pennsylvania, one can use a map with a scale or an online map service like G_ogle Maps. A physical map can help practice measuring skills with a ruler and scale bar, while online services offer immediate calculations.
Step-by-step explanation:
The tool to find the distance between New York and Pennsylvania is most commonly a map with a scale, or an online map service such as G_ogle Maps. If you are doing this for an educational or academic purpose, using a physical map with a scale is a great way to practice measuring distances. To use a physical map to measure distance, you would need a ruler or a map's scale bar to calculate the real-world distance based on the map's scale. On the other hand, online map services provide quick calculations and even route planning with just a few clicks or taps.