FlightAware has it all
https://flightaware.com/live/flight/...24%20142.52847
Andrews (DC) to Travis (CA) to HNL (HA) to Andersen (Guam) to Paya (Singapore)
According to Wikipedia the C-40C has an aux tank that provides a range of up to 5000nm. If that's true, OKO (Japan) to Travis should be within range but if it's pushing it I'm sure they'll stop at ANC or SEA which are both easily within range