Dunmow
Dunmow
Portsmouth
Portsmouth
Train Driving

Dunmow to Portsmouth

Updated: 30 May 2026

Portsmouth is approximately 170 km from Dunmow. The most practical route is via the M11, M25, and A3, which typically takes 135 minutes. Public transport is complex, requiring a bus to Stansted and a train to Portsmouth via London. Portsmouth is a major port city with many attractions. Always monitor M25 traffic, as it is prone to significant delays.

Total Distance: 170 km driving distance, 150 km straight-line air distance.
Fastest Way
Driving via the M11 and A3 is the fastest, taking about 135 minutes.
Cheapest Way
Driving is the most cost-effective option for this journey.
Compare Dunmow to Portsmouth Routes
Train
Connecting
Driving
Direct
Duration 3 hours 2 hours 15 mins
Avg Price 65-110 GBP 40-55 GBP
Operator Greater Anglia and South Western Railway Personal Vehicle
Route Bus to Stansted, Train to London, Train to Portsmouth Harbour. M11 to M25, then A3 to Portsmouth.
Tip Portsmouth Harbour is a major hub with frequent trains to London Waterloo. Use the A3 junction for the quickest access to the city centre.
Travel Tips
  • M25 Traffic
    Check traffic reports before leaving as the M25 is often congested.
  • Parking
    Use the Gunwharf Quays car park for central shopping access.
  • Train Station
    Portsmouth Harbour is very busy; allow time for transfers.
  • Navigation
    Use Google Maps to find the best route around the M25.
  • Planning
    Book your train tickets in advance for better prices.
Safety Tips
  • Road Safety
    Be careful on the M25 during peak hours.
  • Personal Safety
    Portsmouth city centre is busy; keep your belongings secure.
  • Vehicle Security
    Always park in well-lit, secure car parks.
  • Emergency
    Keep a spare tyre and jack in your vehicle.
People Also Ask
  • Is Portsmouth far from Dunmow?
    It is about 170 km away.
  • Can I take a train?
    Yes, but it requires a change in London.
  • How long is the drive?
    Usually 135 minutes.
  • Is the M25 busy?
    Yes, it is frequently congested.
  • What is the best way to travel?
    Driving is the most convenient method.
Quick Info
  • From Dunmow, Essex, United Kingdom
  • To Portsmouth, Hampshire, United Kingdom
  • Modes
Best Time to Travel

Weekdays mid-morning to avoid M25 rush hour.

Things to Do in Portsmouth
1
Historic Dockyard
Explore this world-class museum with extensive history collections.
2
Spinnaker Tower
Visit this iconic tower with stunning views of the city.
3
Gunwharf Quays
Shop at this iconic shopping centre with a wide range of stores and restaurants.
4
Southsea Castle
Tour this historic castle in the heart of the city.
Tags
Dunmow to Portsmouth travel to Portsmouth M25 to Portsmouth trains to Portsmouth Hampshire travel driving Dunmow Portsmouth fastest route Portsmouth Portsmouth transport
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