| Portsmouth to Cavaillon | 560.01 mi (901.25 km) |
| Portsmouth to Cebazat | 393.73 mi (633.64 km) |
| Portsmouth to Cenon | 411.77 mi (662.68 km) |
| Portsmouth to Cergy | 185.96 mi (299.27 km) |
| Portsmouth to Cernay | 425.69 mi (685.08 km) |
| Portsmouth to Cesson | 226.08 mi (363.85 km) |
| Portsmouth to Cesson-Sevigne | 186.96 mi (300.88 km) |
| Portsmouth to Cestas | 419.22 mi (674.67 km) |
| Portsmouth to Chalette-sur-Loing | 258.40 mi (415.86 km) |
| Portsmouth to Challans | 275.90 mi (444.02 km) |
| Portsmouth to Chalon-sur-Saone | 387.64 mi (623.84 km) |
| Portsmouth to Chalons-en-Champagne | 274.19 mi (441.26 km) |
| Portsmouth to Chamalieres | 396.53 mi (638.16 km) |
| Portsmouth to Chambery | 484.14 mi (779.16 km) |
| Portsmouth to Chambly | 186.46 mi (300.08 km) |
