| San Marino to Coudekerque-Branche | 5,534.91 mi (8,907.58 km) |
| San Marino to Coueron | 5,575.19 mi (8,972.40 km) |
| San Marino to Coulommiers | 5,663.08 mi (9,113.85 km) |
| San Marino to Courbevoic | 5,632.00 mi (9,063.83 km) |
| San Marino to Courcouronnes | 5,650.90 mi (9,094.24 km) |
| San Marino to Cournon-d'Auvergne | 5,815.78 mi (9,359.59 km) |
| San Marino to Courrieres | 5,579.57 mi (8,979.46 km) |
| San Marino to Coutras | 5,732.37 mi (9,225.36 km) |
| San Marino to Couzeix | 5,741.53 mi (9,240.10 km) |
| San Marino to Cran-Gevrier | 5,905.62 mi (9,504.18 km) |
| San Marino to Craponne | 5,867.48 mi (9,442.79 km) |
| San Marino to Creil | 5,622.27 mi (9,048.16 km) |
| San Marino to Crepy-en-Valois | 5,636.52 mi (9,071.11 km) |
| San Marino to Crest | 5,928.02 mi (9,540.22 km) |
| San Marino to Creteil | 5,643.98 mi (9,083.11 km) |
