| Gronau to Civita Castellana | 729.44 mi (1,173.92 km) |
| Gronau to Civitanova Marche | 689.09 mi (1,108.99 km) |
| Gronau to Civitavecchia | 733.19 mi (1,179.96 km) |
| Gronau to Civitella in Val di Chiana | 644.94 mi (1,037.92 km) |
| Gronau to Clusone | 456.61 mi (734.84 km) |
| Gronau to Coccaglio | 478.29 mi (769.73 km) |
| Gronau to Codigoro | 559.92 mi (901.10 km) |
| Gronau to Codogno | 502.10 mi (808.06 km) |
| Gronau to Codroipo | 508.20 mi (817.87 km) |
| Gronau to Cogoleto | 545.49 mi (877.89 km) |
| Gronau to Colle di Val d'Elsa | 637.54 mi (1,026.02 km) |
| Gronau to Colle Salvetti | 615.86 mi (991.13 km) |
| Gronau to Collecchio | 535.58 mi (861.94 km) |
| Gronau to Colleferro | 776.25 mi (1,249.26 km) |
| Gronau to Collegno | 493.57 mi (794.33 km) |
