| Kalkar to Konigs Wusterhausen | 314.00 mi (505.33 km) |
| Kalkar to Konigsbach-Stein | 217.05 mi (349.31 km) |
| Kalkar to Konigsbrunn | 314.80 mi (506.63 km) |
| Kalkar to Konigslutter am Elm | 195.65 mi (314.87 km) |
| Kalkar to Konigstein im Taunus | 143.18 mi (230.43 km) |
| Kalkar to Konigswinter | 83.32 mi (134.10 km) |
| Kalkar to Konstanz | 309.54 mi (498.15 km) |
| Kalkar to Konz | 141.45 mi (227.64 km) |
| Kalkar to Korb | 241.65 mi (388.90 km) |
| Kalkar to Korbach | 115.08 mi (185.20 km) |
| Kalkar to Korntal-Munchingen | 236.55 mi (380.69 km) |
| Kalkar to Kornwestheim | 236.33 mi (380.33 km) |
| Kalkar to Korschenbroich | 39.58 mi (63.70 km) |
| Kalkar to Kosching | 305.87 mi (492.24 km) |
| Kalkar to Kothen | 240.55 mi (387.12 km) |
