| Cities | Distance |
|---|---|
| Opera to Plombieres | 399.15 mi (642.36 km) |
| Opera to Pont-a-Celles | 418.98 mi (674.29 km) |
| Opera to Poperinge | 481.85 mi (775.46 km) |
| Opera to Profondeville | 399.35 mi (642.70 km) |
| Opera to Putte | 444.56 mi (715.45 km) |
| Opera to Puurs | 454.00 mi (730.64 km) |
| Opera to Quaregnon | 427.71 mi (688.33 km) |
| Opera to Raeren | 393.12 mi (632.66 km) |
| Opera to Ranst | 455.35 mi (732.81 km) |
| Opera to Ravels | 456.28 mi (734.31 km) |
| Opera to Retie | 448.81 mi (722.29 km) |
| Opera to Riemst | 410.18 mi (660.13 km) |
| Opera to Rijkevorsel | 459.88 mi (740.11 km) |
| Opera to Rixensart | 427.10 mi (687.35 km) |
| Opera to Rochefort | 378.98 mi (609.91 km) |