Routes from largest cities in North America to Houghton, United States
- Mexico City, Mexico Houghton
- New York City, United States Houghton
- Los Angeles, United States Houghton
- Chicago, United States Houghton
- Toronto, Canada Houghton
- Brooklyn, United States Houghton
- Borough of Queens, United States Houghton
- Santo Domingo, Dominican Republic Houghton
- Havana, Cuba Houghton
- Houston, United States Houghton
- Iztapalapa, Mexico Houghton
- Ecatepec, Mexico Houghton
- Guadalajara, Mexico Houghton
- Montréal, Canada Houghton
- Puebla, Mexico Houghton
- Philadelphia, United States Houghton
- Ciudad Juárez, Mexico Houghton
- Manhattan, United States Houghton
- Phoenix, United States Houghton
- The Bronx, United States Houghton
- Tijuana, Mexico Houghton
- San Antonio, United States Houghton
- San Diego, United States Houghton
- Port-au-Prince, Haiti Houghton
- Ciudad Nezahualcoyotl, Mexico Houghton
- Santiago de los Caballeros, Dominican Republic Houghton
- Dallas, United States Houghton
- Gustavo A. Madero, Mexico Houghton
- Gustavo A. Madero, Mexico Houghton
- Monterrey, Mexico Houghton
- León, Mexico Houghton
- Calgary, Canada Houghton
- Guatemala City, Guatemala Houghton
- Zapopan, Mexico Houghton
- Managua, Nicaragua Houghton
- San Jose, United States Houghton
- Kingston, Jamaica Houghton
- Tegucigalpa, Honduras Houghton
- Naucalpan de Juárez, Mexico Houghton
- Indianapolis, United States Houghton
- Jacksonville, United States Houghton
- Ottawa, Canada Houghton
- Chihuahua, Mexico Houghton
- San Francisco, United States Houghton
- Austin, United States Houghton
- Columbus, United States Houghton
- Fort Worth, United States Houghton
- Charlotte, United States Houghton
- Álvaro Obregón, Mexico Houghton
- Guadalupe, Mexico Houghton
- Mérida, Mexico Houghton
- Tlalnepantla, Mexico Houghton
- Detroit, United States Houghton
- Edmonton, Canada Houghton
- Santo Domingo Oeste, Dominican Republic Houghton
- San Luis Potosí, Mexico Houghton
- Culiacán, Mexico Houghton
- Mississauga, Canada Houghton
- Aguascalientes, Mexico Houghton
- Acapulco de Juárez, Mexico Houghton
- El Paso, United States Houghton
- Memphis, United States Houghton
- New South Memphis, United States Houghton
- North York, Canada Houghton
- Winnipeg, Canada Houghton
- Coyoacán, Mexico Houghton
- Santiago de Querétaro, Mexico Houghton
- Saltillo, Mexico Houghton
- Baltimore, United States Houghton
- Boston, United States Houghton
- Seattle, United States Houghton
- Tlalpan, Mexico Houghton
- Washington, D.C., United States Houghton
- Denver, United States Houghton
- Vancouver, Canada Houghton
- Scarborough, Canada Houghton
- Mexicali, Mexico Houghton
- Hermosillo, Mexico Houghton
- Milwaukee, United States Houghton
- Morelia, Mexico Houghton
- New Kingston, Jamaica Houghton
- Portland, United States Houghton
- Las Vegas, United States Houghton
- Oklahoma City, United States Houghton
- South Boston, United States Houghton
- Veracruz, Mexico Houghton
- Santiago de Cuba, Cuba Houghton
- Albuquerque, United States Houghton
- Cancún, Mexico Houghton
- Nashville, United States Houghton
- Québec, Canada Houghton
- San Salvador, El Salvador Houghton
- Santa María Chimalhuacán, Mexico Houghton
- Torreon, Mexico Houghton
- Cuauhtémoc, Mexico Houghton
- Ciudad López Mateos, Mexico Houghton
- Tucson, United States Houghton
- Hamilton, Canada Houghton
- Toluca, Mexico Houghton
- Reynosa, Mexico Houghton
- Fresno, United States Houghton
- Tlaquepaque, Mexico Houghton
- San Pedro Sula, Honduras Houghton
- Tuxtla Gutiérrez, Mexico Houghton
- Cuautitlán Izcalli, Mexico Houghton
- Mixco, Guatemala Houghton
- Staten Island, United States Houghton
- Sacramento, United States Houghton
- Long Beach, United States Houghton
- Kansas City, United States Houghton
- Victoria de Durango, Mexico Houghton
- Heroica Matamoros, Mexico Houghton
- Venustiano Carranza, Mexico Houghton
- San Nicolás de los Garza, Mexico Houghton
- Carrefour, Haiti Houghton