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