| Gelsenkirchen to Castelfiorentino | 575.73 mi (926.54 km) |
| Gelsenkirchen to Castelfranco di Sopra | 583.34 mi (938.79 km) |
| Gelsenkirchen to Castelfranco di Sotto | 566.03 mi (910.93 km) |
| Gelsenkirchen to Castelfranco Emilia | 511.59 mi (823.33 km) |
| Gelsenkirchen to Castelfranco Veneto | 460.37 mi (740.89 km) |
| Gelsenkirchen to Castellabate | 862.22 mi (1,387.62 km) |
| Gelsenkirchen to Castellammare del Golfo | 973.49 mi (1,566.68 km) |
| Gelsenkirchen to Castellammare di Stabia | 826.09 mi (1,329.46 km) |
| Gelsenkirchen to Castellamonte | 424.79 mi (683.63 km) |
| Gelsenkirchen to Castellana Grotte | 876.58 mi (1,410.71 km) |
| Gelsenkirchen to Castellaneta | 885.71 mi (1,425.42 km) |
| Gelsenkirchen to Castellanza | 415.84 mi (669.23 km) |
| Gelsenkirchen to Castellarano | 509.28 mi (819.61 km) |
| Gelsenkirchen to Castelleone | 446.73 mi (718.95 km) |
| Gelsenkirchen to Castelletto sopra Ticino | 406.79 mi (654.67 km) |
