# Distance from Boston (BOS) to Kelso (KLS)

> 4,081 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,081 km / 2,536 mi / 2,204 nm
- **Estimated flight time**: 6h
- **Heading**: 294° (west northwest)
- **Return heading**: 77° (east northeast)
- **Classification**: Long-haul
- **Type**: Domestic (United States)
- **Time difference**: -3h (When it's 07:23 in Boston, it's 04:23 in Kelso)
- **Elevation difference**: 1 ft (KLS is higher than BOS)

## Airports

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 ft

### [Southwest Washington Regional Airport (KLS)](https://www.flightduration.online/airport/kls-kelso-southwest-washington-regional-airport/1ef266df-2607-6b02-a2f2-06bb2780ed98)

- City: Kelso, United States
- ICAO: KKLS
- Timezone: America/Los_Angeles
- Coordinates: 46.120000, -122.900000
- Elevation: 20 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 07:23 in Boston, it's 04:23 in Kelso.
The 3-hour time difference may cause some jet lag.

## Related

- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [Southwest Washington Regional Airport (KLS)](https://www.flightduration.online/airport/kls-kelso-southwest-washington-regional-airport/1ef266df-2607-6b02-a2f2-06bb2780ed98)
- [Flight duration calculator](/#calculator)