| Santo Tirso to Cognac | 506.63 mi (815.35 km) |
| Santo Tirso to Cogolin | 776.75 mi (1,250.07 km) |
| Santo Tirso to Colmar | 903.56 mi (1,454.13 km) |
| Santo Tirso to Colombes | 738.95 mi (1,189.22 km) |
| Santo Tirso to Colomiers | 523.49 mi (842.47 km) |
| Santo Tirso to Combs-la-Ville | 738.33 mi (1,188.23 km) |
| Santo Tirso to Comines | 850.70 mi (1,369.07 km) |
| Santo Tirso to Compiegne | 780.73 mi (1,256.46 km) |
| Santo Tirso to Concarneau | 504.12 mi (811.30 km) |
| Santo Tirso to Conde-sur-l'Escaut | 853.99 mi (1,374.37 km) |
| Santo Tirso to Conflans-Sainte-Honorine | 737.19 mi (1,186.39 km) |
| Santo Tirso to Corbas | 732.70 mi (1,179.17 km) |
| Santo Tirso to Corbeil-Essonnes | 733.12 mi (1,179.85 km) |
| Santo Tirso to Cormeilles-en-Parisis | 739.51 mi (1,190.13 km) |
| Santo Tirso to Cosne sur Loire | 700.85 mi (1,127.90 km) |
