| Cities | Distance |
|---|---|
| Koper to Radauti | 598.08 mi (962.52 km) |
| Koper to Ramnicu Sarat | 645.15 mi (1,038.27 km) |
| Koper to Ramnicu Valcea | 517.50 mi (832.83 km) |
| Koper to Rasnov | 566.70 mi (912.01 km) |
| Koper to Reghin | 531.54 mi (855.42 km) |
| Koper to Resita | 395.70 mi (636.82 km) |
| Koper to Roman | 637.02 mi (1,025.19 km) |
| Koper to Rosiori de Vede | 560.18 mi (901.52 km) |
| Koper to Rovinari | 460.64 mi (741.33 km) |
| Koper to Roznov | 616.89 mi (992.78 km) |
| Koper to Sabaoani | 633.69 mi (1,019.82 km) |
| Koper to Sacele | 578.60 mi (931.17 km) |
| Koper to Sacueni | 416.66 mi (670.56 km) |
| Koper to Salcea | 616.43 mi (992.05 km) |
| Koper to Salonta | 388.31 mi (624.92 km) |