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