Best way to travel between

Latvia
Poland
Travel Modes
Price
Distance
Duration
CO2
bus
$33.79
674.65 km
14h 7mins
20.24 kgs
 
drive
$100.0
671.84 km
9h 36mins
86.0 kgs
 
flight
$124.0
593.88 km
4h 20mins
64.14 kgs
 
N/A
 
 
 
 
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Bus 674.65 km 14h 7mins 105 PLN 33.79
Drive 671.84 km 9h 36mins 310 PLN 100.0
Flight 593.88 km 4h 20mins 384 PLN 124.0
Take Bus from Riga to Augustow
Time: 8h 25mins Cost: 74 PLN; $ 21.6 - 26.4 USD CO2 Emission: 12.68 kgs
Take Bus from Augustów to Warsaw
Time: 4h 40mins Cost: 30 PLN; $ 8.8 - 10.8 USD CO2 Emission: 7.57 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Latvia and Poland is to travel by bus, which will cost about 105 PLN or 30.60 USD.