| Dayton to Cognac | 4,075.71 mi (6,559.22 km) |
| Dayton to Cogolin | 4,453.06 mi (7,166.51 km) |
| Dayton to Colmar | 4,316.45 mi (6,946.66 km) |
| Dayton to Colombes | 4,083.22 mi (6,571.30 km) |
| Dayton to Colomiers | 4,215.37 mi (6,783.98 km) |
| Dayton to Combs-la-Ville | 4,103.62 mi (6,604.14 km) |
| Dayton to Comines | 4,057.02 mi (6,529.15 km) |
| Dayton to Compiegne | 4,091.03 mi (6,583.88 km) |
| Dayton to Concarneau | 3,857.80 mi (6,208.53 km) |
| Dayton to Conde-sur-l'Escaut | 4,089.49 mi (6,581.39 km) |
| Dayton to Conflans-Sainte-Honorine | 4,074.64 mi (6,557.49 km) |
| Dayton to Corbas | 4,298.88 mi (6,918.38 km) |
| Dayton to Corbeil-Essonnes | 4,102.20 mi (6,601.85 km) |
| Dayton to Cormeilles-en-Parisis | 4,079.60 mi (6,565.48 km) |
| Dayton to Cosne sur Loire | 4,158.61 mi (6,692.63 km) |
