Where is Portsmouth, Ohio: Location Summary
Portsmouth is a city in and the county seat of Scioto County, southern Ohio, United States. It lies at the confluence of the Ohio River and the Scioto River, directly across from Kentucky along the Ohio River. Portsmouth anchors the Appalachian region of southern Ohio and is part of the broader Tri-State area near Ohio, Kentucky, and West Virginia. Its position along the Ohio River places it roughly 50 miles south of Chillicothe and about 40 miles north of Huntington, West Virginia.
Geographic Coordinates
Portsmouth’s precise location is identified by geographic coordinates and established reference points used in navigation, mapping, and geocaching.
Portsmouth Ohio Latitude and Longitude
| Coordinate System | Value |
|---|---|
| Decimal Degrees | 38.7606° N, 82.9933° W |
| Degrees, Minutes, Seconds | 38° 45′ 38″ N, 82° 59′ 36″ W |
| UTM Zone | 17T E 505797 N 4291171 |
Where is Portsmouth Located in Ohio
Within Ohio, Portsmouth is positioned in the southern part of the state. It is the principal city of the Portsmouth Micropolitan Statistical Area and serves as a regional hub for nearby communities. Its location along the Ohio River and at the intersection of U.S. Route 23 and U.S. Route 52 enhances its accessibility and historical role as a transportation and trade point.
Nearby Cities and Towns
Understanding where Portsmouth is helpful when comparing it with nearby population centers, planning visits, or analyzing regional services.
- Chillicothe — approximately 50 miles north; state capital and historic city
- Huntington, West Virginia — approximately 40 miles south across the river
- Ironton, Ohio — about 25 miles southeast along U.S. Route 52
- Ashland, Kentucky — roughly 15 miles southwest across the Ohio River
- Lancaster, Ohio — about 45 miles northwest
- Cincinnati, Ohio — approximately 90 miles west
Regional Context
Portsmouth sits within the Appalachian foothills and is part of a region shaped by river commerce, rail corridors, and industrial development. The Ohio River forms the state line with Kentucky, making Portsmouth a natural point for crossing and trade. Its proximity to both rural communities and larger urban centers gives it a strategic role in local logistics, healthcare, and education for southern Ohio and northern Kentucky.
Distance to Major Nearby Locations
| Destination | Approximate Distance | Travel Time by Car | Notes |
|---|---|---|---|
| Chillicothe, OH | 50 miles | 1 hour 10 minutes | North; state capital |
| Huntington, WV | 40 miles | 1 hour 5 minutes | South across the Ohio River |
| Ironton, OH | 25 miles | 40 minutes | Southeast along US 52 |
| Ashland, KY | 15 miles | 30 minutes | Southwest across the Ohio River |
| Cincinnati, OH | 90 miles | 1 hour 40 minutes | West via I-75 and US 52 |
| Huntington, OH | 20 miles | 35 minutes | South along US 23 |
Transportation and Access
Historically a railway and river port, Portsmouth remains accessible by road, with U.S. Route 23 and U.S. Route 52 providing north-south connections. For motor vehicles, pedestrians, and cyclists, the city is linked by several highway routes and local roads that traverse the Ohio River and connect surrounding counties. Public transport availability is limited compared to larger metropolitan areas.
Practical Notes
- Time zone: Portsmouth observes Eastern Time (ET).
- ZIP code: 45662 (general post office location).
- Area code: 740.
Key Takeaways
- Location: Southern Ohio, at the confluence of the Ohio River and Scioto River.
- Coordinates: 38.7606° N, 82.9933° W.
- Region: Part of Appalachian southern Ohio and the Tri-State area (Ohio, Kentucky, West Virginia).
- Nearby cities: Chillicothe (north), Huntington WV (south), Ironton OH, Ashland KY, Lancaster OH, Cincinnati OH.
- Transport: Accessible via US 23 and US 52; historically important river and rail hub.