Portsmouth offers a mix of walkable areas, particularly in its downtown and waterfront districts, where pedestrian-friendly streets and sidewalks are well-maintained. These areas provide convenient access to shops, restaurants, and attractions, making walking a practical option for short distances. However, the city’s layout and the spread of some neighborhoods may require longer walks to reach certain destinations. Seasonal weather, including hot summers and occasional rain, can also influence the comfort of walking. Overall, walking is a reasonable choice in specific parts of Portsmouth, especially for exploring its central areas.

Biking in Portsmouth comes with limited infrastructure, with a moderate bike score indicating that biking is possible but not always convenient. The city has some bike lanes, but they may not connect all key areas, which could make certain routes less accessible. Distances between destinations are generally manageable for biking, but the lack of extensive infrastructure may require careful route planning. The relatively flat terrain of the area can make biking easier, though riders should consider traffic conditions and available bike-friendly paths when deciding on this mode of transportation.

Public transportation in Portsmouth is primarily served by a regional transit provider offering bus routes that connect key areas within the city and nearby regions. Buses provide access to destinations such as downtown Portsmouth and neighboring cities, making it a practical option for many travelers. However, the ease of getting around may depend on the proximity of bus stops to desired locations. The city’s infrastructure supports public transit with designated stops and routes, though factors like distance between stops or weather conditions could influence convenience.

Trajekti su praktičan način za vožnju preko rijeke Elizabeth, povezujući Portsmouth i Norfolk. Voze svakih 30 minuta, što ih čini pouzdanom opcijom za česte prijelaze. Ti su trajekti prilagođeni pješacima i prihvaćaju bicikle, ali ne prevoze automobile. Vožnja obično traje oko 15 minuta, a pruža se brz pristup ključnim lokacijama kao što je središte Norfolka. Trajekti su praktičan izbor za kratka putovanja, posebice za one koji izbjegavaju promet na mostovima ili tunelima. Međutim, njihova korisnost može ovisiti o blizini trajektnih terminala i specifičnih odredišta do kojih putnici moraju doći.