| Smyrna to Coudekerque-Branche | 4,320.07 mi (6,952.49 km) |
| Smyrna to Coueron | 4,237.80 mi (6,820.08 km) |
| Smyrna to Coulommiers | 4,404.87 mi (7,088.96 km) |
| Smyrna to Courbevoic | 4,367.75 mi (7,029.21 km) |
| Smyrna to Courcouronnes | 4,382.26 mi (7,052.56 km) |
| Smyrna to Cournon-d'Auvergne | 4,492.91 mi (7,230.64 km) |
| Smyrna to Courrieres | 4,356.87 mi (7,011.71 km) |
| Smyrna to Coutras | 4,363.19 mi (7,021.87 km) |
| Smyrna to Couzeix | 4,402.54 mi (7,085.21 km) |
| Smyrna to Cran-Gevrier | 4,615.55 mi (7,428.01 km) |
| Smyrna to Craponne | 4,559.94 mi (7,338.52 km) |
| Smyrna to Creil | 4,368.19 mi (7,029.93 km) |
| Smyrna to Crepy-en-Valois | 4,385.73 mi (7,058.15 km) |
| Smyrna to Crest | 4,602.76 mi (7,407.42 km) |
| Smyrna to Creteil | 4,379.34 mi (7,047.87 km) |
