| Guyancourt to Casandrino | 803.82 mi (1,293.62 km) |
| Guyancourt to Casapulla | 798.37 mi (1,284.85 km) |
| Guyancourt to Casarano | 995.15 mi (1,601.55 km) |
| Guyancourt to Casatenovo | 400.22 mi (644.09 km) |
| Guyancourt to Casciana Terme | 545.80 mi (878.37 km) |
| Guyancourt to Cascina | 535.83 mi (862.34 km) |
| Guyancourt to Caselle Torinese | 361.31 mi (581.48 km) |
| Guyancourt to Caserta | 800.19 mi (1,287.77 km) |
| Guyancourt to Casier | 525.64 mi (845.93 km) |
| Guyancourt to Casorate Primo | 404.49 mi (650.97 km) |
| Guyancourt to Casoria | 807.28 mi (1,299.20 km) |
| Guyancourt to Cassano al Ionio | 936.43 mi (1,507.05 km) |
| Guyancourt to Cassano d'Adda | 414.87 mi (667.67 km) |
| Guyancourt to Cassano delle Murge | 900.43 mi (1,449.10 km) |
| Guyancourt to Cassina de' Pecchi | 409.63 mi (659.24 km) |
