Citizens of United States of America do not require visas for travel to Colombia and as it is one of the visa exempt countries.
In April 2006, the Ministry of Foreign Affairs and International Cooperation of Cambodia introduced e-Visa system to promote their tourism industry. This system enabled the visitors around the world to apply for their Cambodian tourist visa online. The e-visa has the validity of 90 days with the maximum stay limit of 30 days per visit. Cambodia offers visa on arrival to the Nationals of any country for a maximum stay of 30 days for both Tourist as well as Business Visa. e-Visa for the citizens of Nigeria is not available.
1- A recent digital photograph of the applicant.
2- Scanned color copies of your passport with minimum validity of up to 6 months.
1- E-visa for Cambodia is issued only for tourism purposes.
2- Citizens of Laos, Malaysia, Philippines, Singapore, Vietnam, Thailand and Indonesia can visit Cambodia without a visa with a valid passport.
3- Your passport should be valid for next 6 months from your date of arrival in Cambodia.
4- The e-visa has the validity of 90 days with the maximum stay limit of 30 days per visit.
5- The validity of your e-Visa can be extended for upto 30 days. You will need to contact the local police station or the Immigration office for extending the validity of your visa
6- The ONLY entry ports in Cambodia are Bavet (Svay Rieng), Cham Yeam (Koh Kong), Phnom Penh International Airport, Poi Pet (Banteay Meanchey), Siem Reap International Airport, Sihanoukville International Airport and Tropaeng Kreal Border Post (Stung Treng).
7- You will be required to submit 1 copy of your e-Visa certificate on entry as well as on departure.
All Countries / Nationalities that required regular visa for ColombiaApplication for the Long Stay / employments Visas, contact to these embassy below
Colombian Embassy in Washington, D.C., United States
1724 Massachusetts Ave, NW
Consular section: 1101 17st NW Suite 1007
Washington, D.C. 20036
United States
http://washington.consulado.gov.co
Colombian Consulate General in Los Angeles, United States
8383 Wilshire Boulevard, Suite 420
Beverly Hills, CA 90211
United States
http://losangeles.consulado.gov.co
Colombian Consulate General in Miami, United States
280 Aragon Avenue
Coral Gables, FL 33134
United States
http://miami.consulado.gov.co
Colombian Consulate General in New York, United States
10 East 46th Street
New York, NY 10017
United States
http://nuevayork.consulado.gov.co
Colombian Consulate in Newark, United States
550 Broad Street, 15th floor
Newark, NJ 07102
United States
http://newark.consulado.gov.co
Colombian Consulate General in Orlando, United States
5850 T.G. Lee Boulevard Edificio Citadel 1 Suite 260
Orlando, FL 32822
United States
http://orlando.consulado.gov.co
Colombian Consulate General in Atlanta, United States
270 Carpenter Drive, NE, Suite 110
Sandy Springs
Atlanta, GA 30328
United States
http://atlanta.consulado.gov.co
Colombian Consulate General in Boston, United States
31 Saint James Avenue, Suite 960
Boston, MA 02116
United States
http://boston.consulado.gov.co
Colombian Consulate General in Chicago, United States
500 North Michigan Avenue, Suite 1960
Chicago, IL 60611
United States
http://chicago.consulado.gov.co
Colombian Consulate General in Houston, United States
2400 Augusta Dr., Suite 400
Houston, TX 77057
United States
http://houston.consulado.gov.co
Colombian Consulate General in San Francisco, United States
595 Market Street, Suite 1190
San Francisco, CA 94105
United States
http://sanfrancisco.consulado.gov.co