To get to Romsey by car, take the M27 motorway and exit at junction 3. Follow the signs to Romsey on the A3057. From Southampton, take the A3057 towards Romsey. From Winchester, take the A3090 towards Romsey.
If traveling by train, there are regular services from London Waterloo to Romsey station, with a journey time of around 1 hour 20 minutes. From Southampton, there are regular services to Romsey, with a journey time of around 10-15 minutes.
If you are coming from nearby landmarks, you can take the A3090 from Winchester or the A36 from Salisbury, both of which lead directly to Romsey.
The closest airport to Romsey is Southampton Airport, which is approximately 10 miles away. From the airport, you can take the M27 motorway and exit at Junction 3 for Romsey. This should take around 20 minutes by car.