The journey from Monroe Township to St. Marys covers 120 miles, primarily using US-522 and US-255. The drive takes about 150 minutes. You will travel through the heart of the Pennsylvania mountains, offering beautiful scenery. Expect winding roads and a mix of highway and rural driving.
Total Distance: 193 km driving distance; 145 km straight-line air distance.
US-255 is a scenic, winding road; drive carefully.
Autumn for the spectacular foliage in the mountains.