| Gummersbach to Castelfiorentino | 537.56 mi (865.13 km) |
| Gummersbach to Castelfranco di Sopra | 544.81 mi (876.79 km) |
| Gummersbach to Castelfranco di Sotto | 527.99 mi (849.72 km) |
| Gummersbach to Castelfranco Emilia | 473.09 mi (761.36 km) |
| Gummersbach to Castelfranco Veneto | 421.36 mi (678.11 km) |
| Gummersbach to Castellabate | 823.24 mi (1,324.88 km) |
| Gummersbach to Castellammare del Golfo | 935.40 mi (1,505.38 km) |
| Gummersbach to Castellammare di Stabia | 787.14 mi (1,266.78 km) |
| Gummersbach to Castellamonte | 390.52 mi (628.49 km) |
| Gummersbach to Castellana Grotte | 837.76 mi (1,348.24 km) |
| Gummersbach to Castellaneta | 846.82 mi (1,362.82 km) |
| Gummersbach to Castellanza | 379.21 mi (610.28 km) |
| Gummersbach to Castellarano | 470.96 mi (757.94 km) |
| Gummersbach to Castelleone | 409.07 mi (658.33 km) |
| Gummersbach to Castelletto sopra Ticino | 370.58 mi (596.39 km) |
