It depends which Karlsborg, there are two of it, on in the northern Sweden near the finnish border and one in southern Sweden. The one in the north isn't very far from torneå in Finland, and not either from luleå in sweden. The one in southern sweden, is close to Skövde, Linköping and Norrköping.
The nearest airport to Big Ben is London City Airport
In Manitoba, the only really big city is Winnipeg.
Portland
Moscow would be a big city near Sochi, Russia.
London.
LA
name, distance, and population of nearest major city in redoubt
Agra, where Taj Mahal is situated, is a big city in itself. However, the nearest Metropolitan city is Delhi at a distance of about 200 km.
Calais is the closest big city from the Channel tunnel.
Juarez, Mexico.
Pensacola, Florida.
nearest big city is Reykjavik about 250 km far from it