Country	Passport	Visa	Other
Cambodia	Yes	Yes
Cameroon	Yes	Yes	Proof of yellow fever immunization required.
Canada	No	No	Passport or proof of U.S. citizenship and photo ID required. Minors (under 16) traveling alone or in someone else’s custody must present written authorization, signed before a notary, from the parent(s) or guardian. Visas are not required. Canadian immigration officials at ports of entry will issue persons planning to stay longer than 180 days a visitor’s record.
Cape Verde	Yes	Yes
Cayman Islands			See West Indies, British
Central African Republic	Yes	Yes	Medical report, including AIDS test, required for study, residency, and work permits; U.S. test accepted.
Chad	Yes	Yes	Visitors must check in with the National Police and obtain a registration stamp within 72 hours of arrival.
Chile	Yes	No	Visa not required for stay of up to 90 days. Entry fee of $100 (U.S.) charged at airport. Exit Requirement: Dependent children under age 18 (including the children of divorced parents) arriving traveling alone, with one parent, or in someone else’s custody, must present a notarized document certifying that both parents agree to their travel before the child will be allowed to exit Chile. This document must be notarized before a Chilean consular officer in the United States.
China, People´s Republic of	Yes	Yes	Transit visa required for any stop (even if you do not exit the plane or train) in China. Business travelers are required to obtain formal invitation from Chinese business contact. Tourist visas are issued only after receipt of a confirmation letter from a Chinese tour agency or letter of invitation from a relative in China.
Columbia	Yes	No	Proof of onward/return ticket required for tourist stay of up to 180 days. Upon arrival the Colombian Immigration authority stamps a stay authorization, normally no longer than 90 days (extendible up to 180 days.) Minors (under 18), who are traveling alone, with one parent or with a third party must present a copy of their birth certificate and written authorization from the absent parent(s) or legal guardian, specifically granting permission to travel alone, with one parent or with a third party. This document must be notarized before a Colombian consular officer in the United States. Visa must be obtained before arrival for persons planning to do business, temporary work (consultant), and study.
Comoros Islands	Yes	No	Onward/return ticket required.
Congo, Democratic Republic of the (formerly Zaire)	Yes	Yes
Congo, Republic of the	Yes	Yes
Cook Islands	Yes	No	Proof of sufficient funds and onward/return ticket required. Visa not needed for visit up to 31 days.
Costa Rica	Yes	No	Tourist card issued upon arrival at airport upon presentation of aforementioned documents for approximately $4. U.S. citizens must have onward/return ticket.
Cote D´Ivoire (Ivory Coast)	Yes	No
Croatia	Yes	No	Visa not required for tourist/business stay of up to 90 days. For stays over 3 months, a visa is required.
Cuba	Yes	Yes
Coracao			See Netherlands Antilles
Cyprus	Yes	No	Round-trip ticket required. Visa not required for tourist/business stay of up to 3 months. For employment and other travel, work permit required and must be obtained in advance. AIDS test required for work or study permits (test is part of a medical examination).
Czech Republic	Yes	No	Visa not required for business and tourist stays of up to 90 days.

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IMPORTANT: The foreign entry requirements listed here were obtained from foreign embassies or consulates. This information is subject to change. Verify the data with the consular officials of the countries you plan to visit well in advance. For further information, see our embassy list.

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