| Cities | Distance |
|---|---|
| Kalkar to Nowy Sacz | 646.18 mi (1,039.93 km) |
| Kalkar to Nowy Targ | 620.95 mi (999.32 km) |
| Kalkar to Nowy Tomysl | 419.92 mi (675.80 km) |
| Kalkar to Nysa | 486.46 mi (782.87 km) |
| Kalkar to Oborniki | 449.74 mi (723.79 km) |
| Kalkar to Oborniki Slaskie | 456.74 mi (735.05 km) |
| Kalkar to Olawa | 477.93 mi (769.16 km) |
| Kalkar to Olecko | 692.38 mi (1,114.28 km) |
| Kalkar to Olesnica | 478.34 mi (769.81 km) |
| Kalkar to Olesno | 526.46 mi (847.25 km) |
| Kalkar to Olkusz | 584.86 mi (941.23 km) |
| Kalkar to Olsztyn | 608.57 mi (979.40 km) |
| Kalkar to Opalenica | 431.74 mi (694.82 km) |
| Kalkar to Opoczno | 600.75 mi (966.81 km) |
| Kalkar to Opole | 508.80 mi (818.84 km) |