| Cities | Distance |
|---|---|
| Koper to Ratingen | 506.92 mi (815.81 km) |
| Koper to Ratzeburg | 578.59 mi (931.15 km) |
| Koper to Raubling | 172.83 mi (278.15 km) |
| Koper to Rauenberg | 348.12 mi (560.25 km) |
| Koper to Raunheim | 394.01 mi (634.10 km) |
| Koper to Ravensburg | 248.94 mi (400.64 km) |
| Koper to Recke | 544.07 mi (875.60 km) |
| Koper to Recklinghausen | 513.50 mi (826.40 km) |
| Koper to Regen | 237.74 mi (382.60 km) |
| Koper to Regensburg | 251.68 mi (405.05 km) |
| Koper to Regenstauf | 258.08 mi (415.34 km) |
| Koper to Rehau | 334.31 mi (538.01 km) |
| Koper to Rehburg-Loccum | 518.80 mi (834.93 km) |
| Koper to Rehlingen-Siersburg | 421.86 mi (678.91 km) |
| Koper to Reichelsheim | 366.89 mi (590.45 km) |