| Niederkassel to Polzela | 482.70 mi (776.84 km) |
| Niederkassel to Postojna | 479.40 mi (771.52 km) |
| Niederkassel to Prebold | 485.42 mi (781.20 km) |
| Niederkassel to Preddvor | 459.23 mi (739.06 km) |
| Niederkassel to Prevalje | 464.69 mi (747.84 km) |
| Niederkassel to Ptuj | 504.61 mi (812.09 km) |
| Niederkassel to Puconci | 502.87 mi (809.29 km) |
| Niederkassel to Race | 496.28 mi (798.69 km) |
| Niederkassel to Radece | 496.41 mi (798.90 km) |
| Niederkassel to Radenci | 501.16 mi (806.54 km) |
| Niederkassel to Radlje ob Dravi | 472.58 mi (760.55 km) |
| Niederkassel to Radovljica | 449.12 mi (722.79 km) |
| Niederkassel to Ravne na Koroskem | 466.53 mi (750.81 km) |
| Niederkassel to Razkrizje | 515.68 mi (829.91 km) |
| Niederkassel to Recica | 475.39 mi (765.06 km) |
