By Victoria Klesty and Paul Sandle OSLO/LONDON (Reuters) -Britain’s Vodafone and Norway’s Telenor urged policymakers on Wednesday to allow European mobile operators to merge and spend more on networks to keep pace with peers in the United States and Asia. European telecoms companies face a bill of up to 300 billion euros ($340 billion) to roll out super fast 5G across the continent, a task made harder by regulators demanding multiple operators compete in each market to keep consumer bills low. Vodafone CEO Nick Read said COVID-19, and the need for reliable, fast networks, had focused the minds…