With a Thai passport and a valid US visa, you get easier entry to 5 countries than with the passport alone, including Mexico (180 days visa-free), Serbia (90 days visa-free), Belize (30 days visa-free), Costa Rica (30 days visa-free). Each rule below links the destination government's own page. Last checked 11 Oct 2026.
Add your other visas in the live checker →| Country | What you get | Official source |
|---|---|---|
| 🇧🇿 Belize | No Belize visa for visits up to 30 days with a valid multiple-entry US visa. |
immigration.gov.bz checked 11 Oct 2026 · high |
| 🇨🇷 Costa Rica | Visa exception for Costa Rica (up to 30 days) with a valid multiple-entry US visa (not C1/C2/C3 transit). Per DGME Directrices Generales de Visas AJ-484-11-2025, November 2025. |
pgrweb.go.cr checked 25 Aug 2026 · high |
| 🇲🇽 Mexico | No Mexican visa needed (tourism, business, transit; up to 180 days) with a valid US visa, per INM. |
inm.gob.mx checked 11 Oct 2026 · high |
| 🇲🇰 North Macedonia | Up to 15 days with a multiple-entry US visa valid at least 5 days beyond your stay. Temporary decision: 1 Jan – 31 Dec 2026 only. |
mfa.gov.mk checked 11 Oct 2026 · high |
| 🇷🇸 Serbia | Visa-free 90 days in any 180 with a valid US visa. Stay may not exceed the visa's validity. |
mfa.gov.rs checked 11 Oct 2026 · high |
Assumes the US visa is valid on your travel dates and multiple-entry (some countries require that). Some rules add conditions like an onward ticket or prior use of the visa: read the notes.
Yes: 30 days visa-free. No Belize visa for visits up to 30 days with a valid multiple-entry US visa. Source: https://immigration.gov.bz/visa/visa-who-qualify/ (checked 2026-10-11).
Yes: 30 days visa-free. Visa exception for Costa Rica (up to 30 days) with a valid multiple-entry US visa (not C1/C2/C3 transit). Per DGME Directrices Generales de Visas AJ-484-11-2025, November 2025. Source: https://pgrweb.go.cr/scij/Busqueda/Normativa/Normas/nrm_texto_completo.aspx?nValor1=1&nValor2=105721&nValor3=148472¶m1=NRTC&strTipM=TC (checked 2026-08-25).
Yes: 180 days visa-free. No Mexican visa needed (tourism, business, transit; up to 180 days) with a valid US visa, per INM. Source: https://www.inm.gob.mx/gobmx/word/index.php/paises-requieren-visa-para-mexico/ (checked 2026-10-11).
Yes: 15 days visa-free. Up to 15 days with a multiple-entry US visa valid at least 5 days beyond your stay. Temporary decision: 1 Jan – 31 Dec 2026 only. Source: https://mfa.gov.mk/en-GB/konzularni-uslugi/informacii-za-vlez-vo-rsm (checked 2026-10-11).
Yes: 90 days visa-free. Visa-free 90 days in any 180 with a valid US visa. Stay may not exceed the visa's validity. Source: https://www.mfa.gov.rs/en/citizens/travel-serbia/visa-requirements (checked 2026-10-11).