| Cities | Distance |
|---|---|
| Opera to Kikinda | 543.40 mi (874.52 km) |
| Opera to Kladovo | 655.73 mi (1,055.30 km) |
| Opera to Knic | 573.76 mi (923.38 km) |
| Opera to Knjazevac | 664.03 mi (1,068.65 km) |
| Opera to Koceljeva | 521.50 mi (839.27 km) |
| Opera to Kosjeric | 533.77 mi (859.01 km) |
| Opera to Kovacica | 554.63 mi (892.59 km) |
| Opera to Kovin | 574.55 mi (924.64 km) |
| Opera to Kragujevac | 582.91 mi (938.10 km) |
| Opera to Kraljevo | 575.74 mi (926.57 km) |
| Opera to Krupanj | 501.57 mi (807.19 km) |
| Opera to Krusevac | 609.15 mi (980.33 km) |
| Opera to Kucevo | 611.52 mi (984.14 km) |
| Opera to Kula | 499.57 mi (803.98 km) |
| Opera to Kursumlija | 615.45 mi (990.47 km) |