| Portsmouth to Cabestany | 592.70 mi (953.87 km) |
| Portsmouth to Cabries | 592.23 mi (953.10 km) |
| Portsmouth to Cachan | 206.39 mi (332.15 km) |
| Portsmouth to Caen | 116.76 mi (187.91 km) |
| Portsmouth to Cagnes-sur-Mer | 625.90 mi (1,007.29 km) |
| Portsmouth to Cahors | 454.74 mi (731.83 km) |
| Portsmouth to Calais | 128.70 mi (207.12 km) |
| Portsmouth to Caluire-et-Cuire | 440.43 mi (708.81 km) |
| Portsmouth to Cambrai | 194.89 mi (313.65 km) |
| Portsmouth to Canet-en-Roussillon | 592.04 mi (952.80 km) |
| Portsmouth to Cannes | 628.45 mi (1,011.39 km) |
| Portsmouth to Canteleu | 132.68 mi (213.52 km) |
| Portsmouth to Capbreton | 495.24 mi (797.01 km) |
| Portsmouth to Carcassonne | 549.08 mi (883.65 km) |
| Portsmouth to Carmaux | 490.74 mi (789.76 km) |
