less than 20 miles
There are 2 bridges connecting Singapore to Malaysia. The first one is the "Johor-Singapore Causeway" in the north and it links the city of Johor Bahru in Malaysia across the Straits of Johor to the town of Woodlands in Singapore. The second one is the "Tuas Second link" (also called "Malaysia-Singapore Second Link") and this one links the state of Johor in Malaysia with the industrial zone of Tuas in Singapore across the Tengeh Reservoir.
Johor Bharu is actually a state in Malaysia next to the Singapore border. Many Singaporeans came to Johor Bharu to shop and leisure because the currency is lower and the place is much nicer. You may visit this blog for more interactive things to do in Johor Bharu. SGTOMYTAXI travel blog.
If you are referring to California in the United States of America, and Singapore in Malaysia, they are approximately 8615 miles away from each other by direct flight.
Malaysia is 476.8 times the size of Singapore
Thailand, Indonesia, and Brunei, plus Singapore is separated from Malaysia by a narrow strait.
In the last Ice Age abt 10k years ago, you could probably walk from Johor to Jakarta and Kuching. Then Earth got warmer, ice-cap melted, sea-level rose, blah blah, and a single landmass got separated into many islands.
singapore,china,thailand,malaysia,indonesia,philipines and many many more
Singapore does not have any land borders but it is linked to Malaysia by the Causeway and the Second Link.
In many of the equator countries, such as Singapore, Malaysia, Indonesia, etc.
The flight distance from Washington, District of Columbia to Singapore, Singapore is:9,664 miles / 15,553 km
It all depends on the traffic conditions but roughly about 30-60minutes
The driving distance from London, United Kingdom to Malaysia is 8,910 miles / 14,339km.