Distance: 81.01 kmThe shortest distance (air line) between Ciudad-Acuña and Piedras-Negras is 81.01 km.
Driving route: -- ( - )The shortest route between Ciudad-Acuña and Piedras-Negras is according to the route planner. The driving time is approx. . Half of the trip is reached in .
Bearing: 149.13° (SSE)The initial bearing on the course from Ciudad-Acuña to Piedras-Negras is 149.13° and the compass direction is SSE.
Midpoint: 29.01072,-100.73779The geographic midpoint between Ciudad-Acuña and Piedras-Negras is in 40.51 km distance between both points in a bearing of 149.13°. It is located in Mexico, Coahuila, Jiménez (México, Coahuila de Zaragoza, Jiménez).
Time difference: 0hCiudad-Acuña and Piedras-Negras are both in the same time zone America/Matamoros.