Best way to travel between Oslo, Norway and Warsaw

A: Oslo, Norway

B: Warsaw

Travel Modes: Price; Distance; Duration; CO2

flight: $51.0; 1099.89 km; 6h 8mins; 118.79 kgs

bus: $108.0; 2512.65 km; 35h 30mins; 75.38 kgs

train: $300.0; 1963.52 km; 23h 23mins; 104.07 kgs

drive: $490.0; 1982.24 km; 20h 37mins; 253.73 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	1099.89 km	6h 8mins	158 PLN	51.0
Bus	2512.65 km	35h 30mins	334 PLN	108.0
Train	1963.52 km	23h 23mins	929 PLN	300.0
Drive	1982.24 km	20h 37mins	1,517 PLN	490.0

Take Train from Oslo S to Rygge: Time: 49mins Cost: 50 PLN; $ 14.4 - 17.6 USD CO2 Emission: 3.53 kgs
Take Flight from RYG to WMI: Time: 1h 46mins Cost: 84 PLN; $ 24.3 - 29.7 USD CO2 Emission: 107.34 kgs
Take Bus from Modlin Airport to Warszawa Central: Time: 1h 1mins Cost: 25 PLN; $ 7.2 - 8.8 USD CO2 Emission: 1.21 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Oslo, Norway and Warsaw is to travel by air, which will cost about 158 PLN or 45.90 USD.