Yes. All nationalities have to apply for a visa except for nationals from: Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam. A 30-day Visa is granted on arrival at both Siem Reap International Airport, Phnom Penh International Airport and land border checkpoints. E-Visas are now also available.
If you are from anywere other than Cambodia you will need a visa
No
Not necessary for United Kingdom citizens.
anyone visiting the UK needs a visa. just go online.
No, there is no need to have visa traveling to EU countries. But in countries like Russia, Ukraine, Belarus British may need some additional permissions.
It depends on how you are traveling and when/where you are going. If you are traveling by air or sea, you will need a passport to get back into the US or Canada effective as of 01 Jan, 2007. You do not need a visa unless you want to work legally.
No need for a visa, as the UK is a participant in the Visa Waiver Program.
Yes you will. Its the US. You need a Visa to enter or pass through the US. Only if you are not coming off the plane.
No, a UK visa is only valid for the UK. You need a "Schengen visa" for Switzerland.
Having UK residence visa has no effect on whether you need or not need Schengen visa. Switzerland is now part of the Schengen zone and is implementing the Schengen visa system. Your nationality (or your citizenship) determines whether you need Schengen visa to travel to Switzerland. See the Related links for a list of countries whose nationals are required to have Schengen visa when traveling to Switzerland.
no because the country is filled with them anyway so it dont matter
No UK citizens do not need a visa to go to Singapore just like Singaporeans do not need a visa to enter UK
Yes. A UK visa is not a valid Dubai visa