| Guyancourt to Carovigno | 943.98 mi (1,519.18 km) |
| Guyancourt to Carpenedolo | 457.99 mi (737.07 km) |
| Guyancourt to Carpi | 499.19 mi (803.37 km) |
| Guyancourt to Carrara | 500.74 mi (805.87 km) |
| Guyancourt to Carugate | 406.98 mi (654.97 km) |
| Guyancourt to Casal di Principe | 795.45 mi (1,280.15 km) |
| Guyancourt to Casale Monferrato | 391.96 mi (630.80 km) |
| Guyancourt to Casale sul Sile | 528.68 mi (850.83 km) |
| Guyancourt to Casalecchio di Reno | 527.38 mi (848.73 km) |
| Guyancourt to Casalgrande | 501.75 mi (807.48 km) |
| Guyancourt to Casalmaggiore | 472.43 mi (760.31 km) |
| Guyancourt to Casalnuovo di Napoli | 808.25 mi (1,300.75 km) |
| Guyancourt to Casalpusterlengo | 434.66 mi (699.52 km) |
| Guyancourt to Casaluce | 798.68 mi (1,285.35 km) |
| Guyancourt to Casamassima | 903.18 mi (1,453.52 km) |
