| Cities | Distance |
|---|---|
| Opera to Orthez | 509.46 mi (819.89 km) |
| Opera to Orvault | 532.87 mi (857.57 km) |
| Opera to Osny | 420.67 mi (677.00 km) |
| Opera to Ostwald | 230.05 mi (370.23 km) |
| Opera to Ouistreham | 518.40 mi (834.29 km) |
| Opera to Oullins | 214.50 mi (345.21 km) |
| Opera to Outreau | 508.54 mi (818.41 km) |
| Opera to Oyonnax | 181.75 mi (292.50 km) |
| Opera to Ozoir-la-Ferriere | 386.56 mi (622.10 km) |
| Opera to Pace | 553.52 mi (890.80 km) |
| Opera to Palaiseau | 400.59 mi (644.69 km) |
| Opera to Pamiers | 407.50 mi (655.81 km) |
| Opera to Panazol | 383.29 mi (616.84 km) |
| Opera to Pantin | 401.62 mi (646.35 km) |
| Opera to Paray-le-Monial | 255.83 mi (411.72 km) |