| Gronau to Castelfiorentino | 621.98 mi (1,000.97 km) |
| Gronau to Castelfranco di Sopra | 628.90 mi (1,012.11 km) |
| Gronau to Castelfranco di Sotto | 612.46 mi (985.66 km) |
| Gronau to Castelfranco Emilia | 557.22 mi (896.75 km) |
| Gronau to Castelfranco Veneto | 503.54 mi (810.37 km) |
| Gronau to Castellabate | 905.77 mi (1,457.69 km) |
| Gronau to Castellammare del Golfo | 1,019.83 mi (1,641.26 km) |
| Gronau to Castellammare di Stabia | 869.92 mi (1,400.00 km) |
| Gronau to Castellamonte | 472.92 mi (761.09 km) |
| Gronau to Castellana Grotte | 916.85 mi (1,475.53 km) |
| Gronau to Castellaneta | 926.54 mi (1,491.12 km) |
| Gronau to Castellanza | 463.43 mi (745.82 km) |
| Gronau to Castellarano | 555.27 mi (893.63 km) |
| Gronau to Castelleone | 493.60 mi (794.36 km) |
| Gronau to Castelletto sopra Ticino | 454.56 mi (731.54 km) |
