| Union to Cognac | 4,421.08 mi (7,115.03 km) |
| Union to Cogolin | 4,797.34 mi (7,720.57 km) |
| Union to Colmar | 4,646.89 mi (7,478.44 km) |
| Union to Colombes | 4,416.90 mi (7,108.31 km) |
| Union to Colomiers | 4,564.25 mi (7,345.45 km) |
| Union to Combs-la-Ville | 4,437.74 mi (7,141.85 km) |
| Union to Comines | 4,384.12 mi (7,055.55 km) |
| Union to Compiegne | 4,422.60 mi (7,117.49 km) |
| Union to Concarneau | 4,200.59 mi (6,760.20 km) |
| Union to Conde-sur-l'Escaut | 4,416.96 mi (7,108.41 km) |
| Union to Conflans-Sainte-Honorine | 4,408.25 mi (7,094.40 km) |
| Union to Corbas | 4,638.90 mi (7,465.58 km) |
| Union to Corbeil-Essonnes | 4,436.57 mi (7,139.97 km) |
| Union to Cormeilles-en-Parisis | 4,413.18 mi (7,102.33 km) |
| Union to Cosne sur Loire | 4,496.01 mi (7,235.63 km) |
