| Grottammare to Cabestany | 553.46 mi (890.70 km) |
| Grottammare to Cabries | 428.26 mi (689.22 km) |
| Grottammare to Cachan | 683.18 mi (1,099.48 km) |
| Grottammare to Caen | 803.24 mi (1,292.69 km) |
| Grottammare to Cagnes-sur-Mer | 340.71 mi (548.32 km) |
| Grottammare to Cahors | 627.96 mi (1,010.60 km) |
| Grottammare to Calais | 787.44 mi (1,267.26 km) |
| Grottammare to Caluire-et-Cuire | 485.26 mi (780.96 km) |
| Grottammare to Cambrai | 706.80 mi (1,137.49 km) |
| Grottammare to Canet-en-Roussillon | 550.03 mi (885.19 km) |
| Grottammare to Cannes | 346.84 mi (558.19 km) |
| Grottammare to Canteleu | 756.93 mi (1,218.17 km) |
| Grottammare to Capbreton | 769.28 mi (1,238.03 km) |
| Grottammare to Carcassonne | 580.71 mi (934.56 km) |
| Grottammare to Carmaux | 590.62 mi (950.51 km) |
