| Kalkar to Castelli Calepio | 452.67 mi (728.50 km) |
| Kalkar to Castelnovo ne' Monti | 538.97 mi (867.40 km) |
| Kalkar to Castelnuovo Berardenga | 628.29 mi (1,011.13 km) |
| Kalkar to Castelnuovo di Porto | 724.78 mi (1,166.42 km) |
| Kalkar to Castelnuovo di Verona | 481.05 mi (774.18 km) |
| Kalkar to Castelnuovo Rangone | 540.55 mi (869.93 km) |
| Kalkar to Castelvetrano | 1,021.24 mi (1,643.53 km) |
| Kalkar to Castelvetro di Modena | 544.06 mi (875.59 km) |
| Kalkar to Castenaso | 553.30 mi (890.45 km) |
| Kalkar to Castenedolo | 469.98 mi (756.36 km) |
| Kalkar to Castiglion Fiorentino | 636.17 mi (1,023.82 km) |
| Kalkar to Castiglione del Lago | 651.76 mi (1,048.90 km) |
| Kalkar to Castiglione delle Stiviere | 478.16 mi (769.52 km) |
| Kalkar to Castrolibero | 981.14 mi (1,578.99 km) |
| Kalkar to Castrovillari | 950.14 mi (1,529.10 km) |
