| Middlesex to Cognac | 3,620.31 mi (5,826.32 km) |
| Middlesex to Cogolin | 3,998.00 mi (6,434.16 km) |
| Middlesex to Colmar | 3,885.09 mi (6,252.45 km) |
| Middlesex to Colombes | 3,647.72 mi (5,870.43 km) |
| Middlesex to Colomiers | 3,753.35 mi (6,040.43 km) |
| Middlesex to Combs-la-Ville | 3,667.27 mi (5,901.90 km) |
| Middlesex to Comines | 3,632.74 mi (5,846.33 km) |
| Middlesex to Compiegne | 3,659.04 mi (5,888.66 km) |
| Middlesex to Concarneau | 3,407.88 mi (5,484.45 km) |
| Middlesex to Conde-sur-l'Escaut | 3,664.37 mi (5,897.23 km) |
| Middlesex to Conflans-Sainte-Honorine | 3,639.30 mi (5,856.88 km) |
| Middlesex to Corbas | 3,851.63 mi (6,198.61 km) |
| Middlesex to Corbeil-Essonnes | 3,665.44 mi (5,898.95 km) |
| Middlesex to Cormeilles-en-Parisis | 3,644.29 mi (5,864.91 km) |
| Middlesex to Cosne sur Loire | 3,716.43 mi (5,981.02 km) |
