| Cities | Distance |
|---|
| Opera to Nottingham | 700.68 mi (1,127.63 km) |
| Opera to Nuneaton | 690.27 mi (1,110.88 km) |
| Opera to Oadby | 681.57 mi (1,096.89 km) |
| Opera to Oakengates | 729.42 mi (1,173.90 km) |
| Opera to Oakham | 674.58 mi (1,085.63 km) |
| Opera to Oldbury | 706.98 mi (1,137.78 km) |
| Opera to Oldham | 757.80 mi (1,219.56 km) |
| Opera to Ollerton | 708.87 mi (1,140.81 km) |
| Opera to Olton | 697.21 mi (1,122.05 km) |
| Opera to Omagh | 966.50 mi (1,555.43 km) |
| Opera to Ormesby | 782.25 mi (1,258.90 km) |
| Opera to Ormskirk | 782.15 mi (1,258.75 km) |
| Opera to Orpington | 587.76 mi (945.91 km) |
| Opera to Ossett | 748.68 mi (1,204.88 km) |
| Opera to Oswaldtwistle | 775.44 mi (1,247.96 km) |
