Day trip from Tijuana to San Diego
San Diego lies 28 km (17 mi) north-west of Tijuana, in the same time zone. What the numbers say about getting there.
At 28 km (17 mi) apart, San Diego is a realistic day trip from Tijuana: about 27 min each way by road.
| Tijuana | San Diego | |
|---|---|---|
| Country | Mexico | United States |
| Population | 1.9 million | 1.4 million |
| Elevation | 97 m (318 ft) | 20 m (66 ft) |
| Time now | UTC-7 (America/Tijuana) | UTC-7 (America/Los_Angeles) |
| Postal codes | 22703 | 92101–92199 |
What changes when you arrive in San Diego
Crossing from Mexico into United States: money changes from the Peso to the Dollar (USD); the dialling code becomes +1; the emergency number is http://www.wikidata.org/entity/Q533806.
What to see in San Diego
| Sight | Visitors a year | Year |
|---|---|---|
| San Diego Public Library | 6,940,237 | 2016 |
| SeaWorld San Diego | 4,022,000 | 2024 |
| San Diego Zoo | 4,000,000 | 2018 |
| Cabrillo National Monument | 761,485 | 2019 |
The busiest is San Diego Public Library at 6,940,237 visitors in 2016. At that volume, anything with a gate is worth a timed ticket or an early start.
Where to book tours and tickets in San Diego
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in San Diego
Our booking partner lists 1,392+ places to stay in San Diego (statistics below are from the first 1,000). Of the 706 with a star rating, the largest group is 3-star (469), and 9 are five-star. Across 294 properties with at least 50 reviews, the average guest score is 8.2 out of 10. Guests have left 286,439 reviews in total.
Book a hotel in San Diego
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is San Diego from Tijuana?
28 km (17 mi) in a straight line, north-west of Tijuana; by road roughly 34 km (21 mi).
How long does it take to get from Tijuana to San Diego by road?
About 27 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Tijuana and San Diego?
No, both are on the same offset at the moment.
What currency do I need in San Diego?
The Dollar (USD).
Where can I stay in San Diego?
Our booking partner lists 1,392+ places to stay in San Diego, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.