The straight line distance from Orange county, CA, USA, to Santa Monica, CA, USA, is 43.283 miles (69.657 kilometres). The driving distance is 53.7 miles (1 hour, 15 minutes) via the I-405, or 51.5 miles (1 hour, 20 minutes) via the I-105. read more
The correct answer is 45 minutes. Nobody uses miles - it's all minutes, predicated on the concept of no accidents and not rush hour, and time starts once you get to a freeway. read more