Mirzapur (India) and Unnao (India) are 197 km (122 mi) apart in a straight line. The way we suggest is by train and bus, via Varanasi, Prayagraj and Kanpur: ~9h 5m door to door with 3 changes, for ~€14–35 per person. No flight is needed.
Step by step
Train from Mirzapur to Varanasi: ~2h 10m, 151 km, ~€6–15
Bus from Varanasi to Prayagraj: about 3h, 118 km, ~€2–5
Train from Prayagraj to Kanpur: ~2h 45m, 187 km, ~€5–15
Train from Kanpur to Unnao: about 25m, 16 km, ~€1–2
Every route we know
Train + Bus + Train, via Varanasi, Prayagraj and Kanpur: ~9h 5m, 3 changes, ~€14–35
Train, via Varanasi and Lucknow: ~11h 10m, 2 changes, ~€6–15
Train, via Varanasi, Ayodhya and Lucknow: ~9h 15m, 3 changes, ~€6–15
Train + Flight + Train, via Varanasi, New Delhi and Kanpur: ~9h 50m, 3 changes, ~€79–242
Questions
How long does it take to get from Mirzapur to Unnao?
~9h 5m door to door by train and bus, via Varanasi, Prayagraj and Kanpur, including time for changes.
How much does it cost to travel from Mirzapur to Unnao?
~€14–35 per person for the route we suggest. These are estimates from travel-guide prices and published tariffs, not quotes: check the operator for today's fare.
Is there a direct train from Mirzapur to Unnao?
Not that we know of: the routes in our data change via Varanasi, Prayagraj and Kanpur.
Times are rough door-to-door times, with time to change and to get through airports included. A "~" marks a rough time worked out from the distance. We don't have timetables, and fares are rough estimates, not quotes: check Google Maps or the operator before you travel.