|• Total||0.8 sq mi (2.2 km2)|
|• Land||0.8 sq mi (2.2 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Time zone||CST (UTC-6)|
|• Summer (DST)||CST (UTC-5)|
|Nearest Airports: Laredo: Laredo International Airport (KLRD) (LRD) Nuevo Laredo: Quetzalcoatl International Airport (MMNL) (NLD)|
Callaghan is a ranching community in Webb County, Texas and was established in 1881. The community was named after a nearby ranch owned by Charles Callaghan and much later Joe B. Finley. The community was once a cattle shipping point on the International and Great Northern Railroad. Callaghan is served by the Callaghan Ranch Airport (ICAO: 90TX). Callaghan is fourteen miles north of Laredo, Texas.
Callaghan is located at(27.879444, -99.396667).
Callaghan is served by the United Independent School District in Laredo.