| Guastalla to Coudekerque-Branche | 569.10 mi (915.87 km) |
| Guastalla to Coueron | 614.07 mi (988.25 km) |
| Guastalla to Coulommiers | 447.85 mi (720.75 km) |
| Guastalla to Courbevoic | 482.66 mi (776.76 km) |
| Guastalla to Courcouronnes | 466.04 mi (750.02 km) |
| Guastalla to Cournon-d'Auvergne | 367.14 mi (590.86 km) |
| Guastalla to Courrieres | 524.34 mi (843.85 km) |
| Guastalla to Coutras | 527.31 mi (848.62 km) |
| Guastalla to Couzeix | 461.92 mi (743.39 km) |
| Guastalla to Cran-Gevrier | 231.55 mi (372.64 km) |
| Guastalla to Craponne | 294.24 mi (473.53 km) |
| Guastalla to Creil | 487.59 mi (784.70 km) |
| Guastalla to Crepy-en-Valois | 471.80 mi (759.29 km) |
| Guastalla to Crest | 276.87 mi (445.58 km) |
| Guastalla to Creteil | 470.67 mi (757.47 km) |
