Distance: 81.01 kmThe shortest distance (air line) between Piedras-Negras and Ciudad-Acuña is 81.01 km.
Driving route: -- ( - )The shortest route between Piedras-Negras and Ciudad-Acuña is according to the route planner. The driving time is approx. . Half of the trip is reached in .
Bearing: 329.13° (NNW)The initial bearing on the course from Piedras-Negras to Ciudad-Acuña is 329.13° and the compass direction is NNW.
Midpoint: 29.01072,-100.73779The geographic midpoint between Piedras-Negras and Ciudad-Acuña is in 40.51 km distance between both points in a bearing of 329.13°. It is located in Mexico, Coahuila, Jiménez (México, Coahuila de Zaragoza, Jiménez).
Time difference: 0hPiedras-Negras and Ciudad-Acuña are both in the same time zone America/Matamoros.