| Kalkar to Grevena | 1,080.95 mi (1,739.63 km) |
| Kalkar to Ialysos | 1,504.67 mi (2,421.54 km) |
| Kalkar to Ilion | 1,267.40 mi (2,039.69 km) |
| Kalkar to Ilioupoli | 1,274.59 mi (2,051.26 km) |
| Kalkar to Ioannina | 1,086.62 mi (1,748.74 km) |
| Kalkar to Irakleio | 1,465.56 mi (2,358.59 km) |
| Kalkar to Irakleio | 1,268.61 mi (2,041.63 km) |
| Kalkar to Kaisariani | 1,272.90 mi (2,048.54 km) |
| Kalkar to Kalamaria | 1,103.94 mi (1,776.62 km) |
| Kalkar to Kalamata | 1,275.48 mi (2,052.69 km) |
| Kalkar to Kallithea | 1,272.06 mi (2,047.18 km) |
| Kalkar to Kalymnos | 1,433.60 mi (2,307.15 km) |
| Kalkar to Kalyvia Thorikou | 1,285.53 mi (2,068.85 km) |
| Kalkar to Kamatero | 1,266.31 mi (2,037.94 km) |
| Kalkar to Karditsa | 1,136.32 mi (1,828.73 km) |
