| Groslay to Castelfiorentino | 554.32 mi (892.08 km) |
| Groslay to Castelfranco di Sopra | 574.37 mi (924.36 km) |
| Groslay to Castelfranco di Sotto | 541.78 mi (871.91 km) |
| Groslay to Castelfranco Emilia | 511.04 mi (822.45 km) |
| Groslay to Castelfranco Veneto | 503.76 mi (810.73 km) |
| Groslay to Castellabate | 861.76 mi (1,386.87 km) |
| Groslay to Castellammare del Golfo | 921.27 mi (1,482.64 km) |
| Groslay to Castellammare di Stabia | 823.79 mi (1,325.77 km) |
| Groslay to Castellamonte | 354.18 mi (570.00 km) |
| Groslay to Castellana Grotte | 913.30 mi (1,469.82 km) |
| Groslay to Castellaneta | 916.27 mi (1,474.59 km) |
| Groslay to Castellanza | 385.21 mi (619.93 km) |
| Groslay to Castellarano | 502.21 mi (808.23 km) |
| Groslay to Castelleone | 431.56 mi (694.53 km) |
| Groslay to Castelletto sopra Ticino | 370.89 mi (596.88 km) |
