| Widnau to Cavaillon | 331.38 mi (533.30 km) |
| Widnau to Cebazat | 328.33 mi (528.40 km) |
| Widnau to Cenon | 516.99 mi (832.01 km) |
| Widnau to Cergy | 366.20 mi (589.35 km) |
| Widnau to Cernay | 117.88 mi (189.72 km) |
| Widnau to Cesson | 334.92 mi (539.00 km) |
| Widnau to Cesson-Sevigne | 523.82 mi (843.00 km) |
| Widnau to Cestas | 526.90 mi (847.96 km) |
| Widnau to Chalette-sur-Loing | 323.37 mi (520.41 km) |
| Widnau to Challans | 542.03 mi (872.32 km) |
| Widnau to Chalon-sur-Saone | 228.88 mi (368.34 km) |
| Widnau to Chalons-en-Champagne | 265.44 mi (427.19 km) |
| Widnau to Chamalieres | 331.30 mi (533.18 km) |
| Widnau to Chambery | 217.51 mi (350.05 km) |
| Widnau to Chambly | 360.66 mi (580.42 km) |
