Oban to Westport Road Trip: Scotland to Ireland Coastal Drive

The route from Oban (56.4152° N, 5.4721° W) to Westport (53.7996° N, 9.5206° W) is not a single highway but a woven tapestry of the A828, the M898, the M8, the A8, and the M2, punctuated by a 2-hour 15-minute ferry crossing from Cairnryan to Belfast. The total driving distance from Oban to the ferry port is approximately 130 miles (209 km), taking around 2 hours 45 minutes without stops. From Belfast to Westport is about 165 miles (265 km), roughly 3 hours 15 minutes. The entire journey, including the crossing, takes 7–9 hours with minimal breaks.

This is a route of dramatic contrasts: the jagged Scottish Highlands give way to the drumlins and lush pastures of Northern Ireland, then to the wild Atlantic coast of County Mayo. The ferry is the logistical centerpiece—book ahead in summer. Along the way, you'll encounter one UNESCO World Heritage site (the Giant's Causeway) and countless natural wonders. This guide covers how long to drive Oban to Westport, the best stops, and whether it's worth driving this route. For a deeper dive on finding hidden gems, see this resource on how to find the best stops and hidden gems between cities.

Fatigue Management & Rest Zones

This is a long day; plan a break every 2 hours. Top stops: Inveraray (castle, lochside café, restrooms); the ferry terminal (spacious waiting areas); Antrim coast viewpoints; Sligo (park at Benbulben). In the Highlands, use designated lay-bys—never stop on blind corners. The M2 has service stations (e.g., Sandyknowes). Aim to arrive in Westport before dusk (around 5-6pm in winter) due to narrow roads.

Family and Child Suitability

This trip is great for families. Highlights: Glencoe's hiking trails (easy loops for kids); the ferry (kids love the decks and playground); Giant's Causeway's stepping stones; Westport's Quay Street with ice cream shops. Pack snacks and tablets for the long driving stretches. Car seat laws: UK requires rear-facing until 15 months; booster seat until 135cm. In Ireland, similar laws. The ferry has baby-changing facilities.

Pet-Friendly Framework

Pets are allowed on the ferry but must stay in kennels or the car (with visits). Scotland and Ireland have many dog-friendly beaches; check signs. Accommodation in Westport often allows dogs (e.g., The Wyatt Hotel). Always keep dogs on lead near livestock. Petrol stations generally allow dogs on leash.

Hidden Off-Route Spots

Skip the main tourist traps and try: the Loch Etive sea kayaking (near Oban); the Ardnamurchan peninsula (go to the most westerly point of mainland UK); the silent Valley Reservoir in the Mourne Mountains (detour from Belfast); the Ceide Fields in County Mayo (stone-age farming site, 4,000BC) near Ballycastle. For food, the Pierhead chippy in Oban is legendary; in Westport, try the stone-baked pizzas at The Creel. The route along Lough Neagh's western shore (via A4) offers quiet villages like Toomebridge.

Things to Do Between Oban and Westport

List of key activities:

• Visit Glencoe ski area (hiking in summer)
• Inveraray Castle tour
• Ferry crossing (whale watching possible)
• Giant's Causeway walk
• Belfast Titanic Quarter (quick stop)
• Mourne Mountains drive
• Croagh Patrick pilgrimage (near Westport)

Fuel and Route Economics

Fuel prices in Scotland and Ireland fluctuate. As of 2025, expect around £1.50/litre in the UK and €1.70/litre in Ireland. The total fuel cost for a typical car (8l/100km) is roughly £55–£65 (€65–€75) for the entire drive, not including ferry. The ferry cost for a car and two passengers starts at £100–£120 one-way. Overall budget for fuel and ferry: £160–£200. Worth it? For the blend of landscapes and culture, yes—but plan for the crossing.

Road Quality and Infrastructure Safety

Scottish A-roads are generally well-maintained but narrow, with single-track sections near Oban (A828) and the Rest and Be Thankful pass (A83). Watch for sheep and cyclists. Northern Irish motorways (M2, M1) are excellent. The N5 in the Republic is a high-quality national road, but the N59 from Castlebar to Westport is winding and narrow. Hire a car with good visibility. Safety: keep headlights on at all times in Ireland (legal requirement).

Ferry Crossing: Cairnryan to Belfast

The Stena Line superfast ferry takes 2h 15min. Book ahead; summer sailings fill up. Onboard: cafeteria, lounge, shop, and free Wi-Fi. Pets allowed in kennels or designated areas. Check-in 60 minutes before departure. Also available: P&O Ferries from Larne (less convenient for Westport).

Natural Landscapes & Attractions

From Oban, the A828 follows Loch Creran and then the wild coast of Argyll. Stop at Glencoe (A82), a dramatic valley of volcanic origins—park at the Glencoe Visitor Centre. Then the A83 leads to Inveraray and the towering mountains of Arrochar Alps. After the ferry, from Belfast, the M2 leads to the Antrim coast: the Giant's Causeway (UNESCO) is a 45-minute detour. Then the A2 coastal route to Derry~Londonderry offers stunning views. From Derry, the N13/E16 to Letterkenny and N56 to Donegal town is scenic, but the fastest route to Westport goes via M2, A4, A5, N5. Consider the Wild Atlantic Way: from Sligo (N15) to Ballina (N59) to Westport is longer but spectacular.

UNESCO World Heritage Sites

The only UNESCO site on this route is the Giant's Causeway, County Antrim (56.2437° N, 6.3902° W). It's a 35-minute drive north of Belfast. The visitor centre is modern; access to the causeway is free (parking charge). Off-season, you can park on the road near Finn McCool's stone. Also nearby: Carrick-a-Rede Rope Bridge, Bushmills Distillery. The causeway is a must for geologists and photographers.

Local Commerce & Culture

Oban is known for its whisky distillery (Oban Distillery, founded 1794). In the Highlands, stop at a woolen mill or local crafts shop. In Belfast, the St. George's Market (Fri-Sun) offers local artisanal food. In Westport, the Westport House estate and the town's pubs (e.g., Matt Molloy's) are cultural hubs. The route passes through areas of Scottish Gaelic and Irish Gaelic heritage; listen for place names. Buy local cheeses, smoked salmon, and Irish soda bread along the way.