How far is Ontario California from napa California?

Answer 1

435 miles taking this route:

1. Take SR-29 SOUTH to SR-12 EAST to FAIRFIELD and SACRAMENTO. Turn left.
2. Follow SR-12 EAST to I-680 to BENICIA in Fairfield.
3. Take I-680 SOUTH to I-580 EAST to LIVERMORE and STOCKTON at EXIT 30B.
4. Take I-580 EAST to I-5 SOUTH to LOS ANGELES around the Tracy vicinity.
5. Take I-5 SOUTH to the 210 EAST to PASADENA at EXIT 161A.
6. Take the 210 EAST to SR-57 SOUTH to SANTA ANA at EXIT 45.
7. Take SR-57 SOUTH to I-10 SAN BERNARDINO FWY - EAST to SAN BERNARDINO at EXIT 22B.
8. Take I-10 EAST to Ontario.