United States - distances United States - distances | Distance in km | 326.8 km |
| Distance in miles | 203.06 miles |
| Distance in nautical miles | 176.46 miles |
| Air distance (bird fly) | 248 km |
| Driving time | 4 hours and 6 minutes |
| Average speed | 79.51 kph / 49.41 mph |
| Weather forecast Portsmouth | Weather forecast Silver Spring |
This is the distance between Portsmouth (Virginia) and Silver Spring (Maryland) calculated in kilometers, miles and nautical miles. On the map you can see the driving itinerary, fuel consumption and estimated driving time from Portsmouth to Silver Spring.
The direct distance and driving distance are both displayed. The direct one is also called air distance or bird fly distance. The second one is the distance by land transport, estimated for when you travel by road/sea.
The route planner is displayed in detail and contains all the necessary information for driving from Portsmouth (Virginia) to Silver Spring (Maryland)
On the map you can see the entire itinerary highlighted in red.
Kilometers (km): is the unit of length equal to 1000 meters or 0.62137 miles.
Miles (mi): is the unit of length equal to 1.60934 kilometers.
Nautical Miles (nmi): is the unit of lenght equaling 1.1508 land-measured (or statute) miles or 1.852 km