| Piraeus to Cabestany | 1,135.53 mi (1,827.47 km) |
| Piraeus to Cabries | 1,026.92 mi (1,652.66 km) |
| Piraeus to Cachan | 1,299.70 mi (2,091.67 km) |
| Piraeus to Caen | 1,421.75 mi (2,288.08 km) |
| Piraeus to Cagnes-sur-Mer | 946.88 mi (1,523.85 km) |
| Piraeus to Cahors | 1,234.05 mi (1,986.01 km) |
| Piraeus to Calais | 1,391.60 mi (2,239.57 km) |
| Piraeus to Caluire-et-Cuire | 1,105.09 mi (1,778.47 km) |
| Piraeus to Cambrai | 1,312.02 mi (2,111.48 km) |
| Piraeus to Canet-en-Roussillon | 1,132.61 mi (1,822.76 km) |
| Piraeus to Cannes | 950.82 mi (1,530.20 km) |
| Piraeus to Canteleu | 1,372.60 mi (2,208.98 km) |
| Piraeus to Capbreton | 1,363.68 mi (2,194.63 km) |
| Piraeus to Carcassonne | 1,171.59 mi (1,885.49 km) |
| Piraeus to Carmaux | 1,193.11 mi (1,920.12 km) |
