| Ponsacco to Coudekerque-Branche | 640.28 mi (1,030.43 km) |
| Ponsacco to Coueron | 647.90 mi (1,042.69 km) |
| Ponsacco to Coulommiers | 508.75 mi (818.76 km) |
| Ponsacco to Courbevoic | 541.10 mi (870.81 km) |
| Ponsacco to Courcouronnes | 522.98 mi (841.65 km) |
| Ponsacco to Cournon-d'Auvergne | 393.55 mi (633.35 km) |
| Ponsacco to Courrieres | 594.67 mi (957.03 km) |
| Ponsacco to Coutras | 540.52 mi (869.89 km) |
| Ponsacco to Couzeix | 486.38 mi (782.75 km) |
| Ponsacco to Cran-Gevrier | 272.59 mi (438.70 km) |
| Ponsacco to Craponne | 325.35 mi (523.61 km) |
| Ponsacco to Creil | 549.43 mi (884.23 km) |
| Ponsacco to Crepy-en-Valois | 534.94 mi (860.91 km) |
| Ponsacco to Crest | 288.41 mi (464.15 km) |
| Ponsacco to Creteil | 529.05 mi (851.42 km) |
