Coordonatele medii GPS cod poștal cf31: 51.508, -3.578
Orașe pe listă:
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Newcastle CF31,
Glamorgan, Wales, coordonatele GPS: 51.5086,-3.578
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Bridgend CF31,
Glamorgan, Wales, coordonatele GPS: 51.5058,-3.5772
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Pen-y-fai CF31,
Glamorgan, Wales, coordonatele GPS: 51.5086,-3.578