| Gelsenkirchen to Castelli Calepio | 426.10 mi (685.74 km) |
| Gelsenkirchen to Castelnovo ne' Monti | 512.53 mi (824.83 km) |
| Gelsenkirchen to Castelnuovo Berardenga | 600.53 mi (966.46 km) |
| Gelsenkirchen to Castelnuovo di Porto | 696.30 mi (1,120.59 km) |
| Gelsenkirchen to Castelnuovo di Verona | 452.49 mi (728.21 km) |
| Gelsenkirchen to Castelnuovo Rangone | 512.72 mi (825.14 km) |
| Gelsenkirchen to Castelvetrano | 995.22 mi (1,601.65 km) |
| Gelsenkirchen to Castelvetro di Modena | 516.25 mi (830.83 km) |
| Gelsenkirchen to Castenaso | 524.35 mi (843.87 km) |
| Gelsenkirchen to Castenedolo | 442.55 mi (712.21 km) |
| Gelsenkirchen to Castiglion Fiorentino | 607.61 mi (977.86 km) |
| Gelsenkirchen to Castiglione del Lago | 623.16 mi (1,002.88 km) |
| Gelsenkirchen to Castiglione delle Stiviere | 450.29 mi (724.68 km) |
| Gelsenkirchen to Castrolibero | 949.79 mi (1,528.54 km) |
| Gelsenkirchen to Castrovillari | 918.46 mi (1,478.12 km) |
