Compare: Seattle→Vancouver (195 km) vs Seattle→Portland (234 km). Seattle → Vancouver wins by 39 km (17%). Side-by-side with flight & drive times.
By SnapDistance Team · Updated May 30, 2026
195 km
121 miles · Flight: ~45 min · Drive: ~3h 10min
✓ Shorter route
234 km
145 miles · Flight: ~48 min · Drive: ~3h 48min
Difference: 39 km (17%) · Flight time difference: ~3 min
Verdict
Seattle → Vancouver is the smarter pick if travel time and emissions matter most: it is 39 km (17%) shorter, saves about 3 min of flight time, and cuts roughly 10 kg of CO₂ per passenger. Choose Seattle → Portland only if the destination itself is the reason for the trip.
Seattle → Vancouver is the shorter route at 195 km, which is 39 km (17%) shorter than Seattle → Portland. You would save approximately 3 min in flight time by choosing the shorter route.
| Metric | Seattle → Vancouver | Seattle → Portland |
|---|---|---|
| Distance (km) | 195 | 234 |
| Distance (miles) | 121 | 145 |
| Flight time | ~45 min | ~48 min |
| Driving time | ~3h 10min | ~3h 48min |
| Road distance (est.) | ~254 km | ~304 km |
| Drivable? | Yes | Yes |
| Cross-continental | No | No |
| Initial bearing | 343° (NNW) | 187° (S) |
| Time-zone shift | None | None |
| CO₂ – flight (per pax) | ~50 kg | ~60 kg |
| CO₂ – driving (per car) | ~43 kg | ~52 kg |
| Fuel cost (est.) | ~$25 USD | ~$30 USD |
Flying from Seattle to Vancouver produces roughly 50 kg of CO₂ per passenger, based on the ICAO/EEA short-haul emission factor of ~0.255 kg per passenger-km. The Seattle → Portland flight emits about 60 kg. Choosing the shorter route saves approximately 10 kg of CO₂ per traveler — equivalent to 0 typical tree-years of carbon sequestration. For comparison, driving emits roughly 43 kg and 52 kg per car respectively — meaningful only when the car carries multiple passengers.
The Seattle to Vancouver route covers 195 km (121 miles), staying within North America. Seattle (population: 737,015) is located in Pacific Northwest, United States, while Vancouver (population: 631,486) is in British Columbia, Canada.
The Seattle to Portland route covers 234 km (145 miles), remaining within North America. Seattle (population: 737,015) is in Pacific Northwest, United States, and Portland (population: 652,503) is in Pacific Northwest, United States.
Flying from Seattle to Vancouver takes approximately 45 min, while Seattle to Portland takes 48 min. If driving is an option, expect roughly 3h 10min for the first route and 3h 48min for the second.
Since both routes depart from Seattle, this comparison is especially useful for travelers deciding between Vancouver and Portland as a destination.
The 39 km difference between these routes is noticeable in both travel time and fuel or ticket costs.
Both routes are drivable, with road distances of approximately 254 km and 304 km respectively. For road trips, the shorter route saves roughly 50 km of driving.
Vancouver (Canada) has a population of 631,486 and is located in the British Columbia region of North America. It's a charming destination known for its regional character.
Portland (United States) has a population of 652,503 and is situated in Pacific Northwest, North America. This destination offers a more intimate travel experience with unique local culture.
Choose this route if your priority is reaching Vancouver (Canada) — a city of 631,486 in the British Columbia region of North America. It is also the shorter option at 195 km, which translates to a 3 min flight-time saving and roughly 10 kg less CO₂ per passenger versus the alternative. Driving is realistic at this distance, with an estimated 254 km of road and a fuel cost band around $25 USD. The initial bearing is 343° (NNW), so a great-circle flight leaves Seattle heading roughly NNW.
This route is the right call if you are heading to Portland (United States) — a city of 652,503 in the Pacific Northwest region of North America. Even though it is the longer route at 234 km, it remains the obvious pick when Portland is the actual destination, when departure schedules from Seattle are more convenient, or when fares undercut the alternative. Driving is feasible — expect roughly 304 km of road and a fuel cost in the $30 USD range. Departing Seattle, the great-circle bearing toward Portland is 187° (S).
Seattle (47.61°, -122.33°) and Vancouver (49.28°, -123.12°) sit in the same approximate time zone. Seattle (47.61°, -122.33°) and Portland (45.52°, -122.68°) share an approximate time zone. Both routes have manageable time-zone shifts, so jet lag should not be a major factor.
Vancouver is closer at 195 km, which is 39 km (17%) shorter.
195 km (121 miles). Flight: ~45 min.
234 km (145 miles). Flight: ~48 min.
Flying to Vancouver is faster at ~45 min, saving about 3 min compared to Portland.
All distances on SnapDistance are calculated using the Haversine formula, which determines the great-circle distance between two points on Earth's surface. This gives the shortest possible distance over the globe, which is the measurement used for aviation and navigation. Actual travel distances by road or rail are typically 20-40% longer due to terrain, borders, and infrastructure routing. Flight times assume 800 km/h cruising speed with 30 minutes for takeoff and landing. Driving estimates use 80 km/h average speed with a 30% road distance factor.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.