| Gronau to Cosenza | 994.64 mi (1,600.72 km) |
| Gronau to Cossato | 462.00 mi (743.52 km) |
| Gronau to Costa Volpino | 462.09 mi (743.66 km) |
| Gronau to Creazzo | 503.46 mi (810.24 km) |
| Gronau to Crema | 487.96 mi (785.29 km) |
| Gronau to Cremona | 507.70 mi (817.06 km) |
| Gronau to Crevalcore | 550.82 mi (886.46 km) |
| Gronau to Crispiano | 935.79 mi (1,506.01 km) |
| Gronau to Crosia | 989.02 mi (1,591.67 km) |
| Gronau to Crotone | 1,027.18 mi (1,653.08 km) |
| Gronau to Cuneo | 541.45 mi (871.37 km) |
| Gronau to Cuorgne | 472.22 mi (759.96 km) |
| Gronau to Cusano Milanino | 470.45 mi (757.12 km) |
| Gronau to Cutro | 1,027.37 mi (1,653.39 km) |
| Gronau to Cutrofiano | 989.24 mi (1,592.02 km) |
