| Zumaia to Cernavoda | 1,503.21 mi (2,419.18 km) |
| Zumaia to Chitila | 1,401.29 mi (2,255.16 km) |
| Zumaia to Cisnadie | 1,305.90 mi (2,101.64 km) |
| Zumaia to Cluj-Napoca | 1,278.26 mi (2,057.16 km) |
| Zumaia to Codlea | 1,368.28 mi (2,202.03 km) |
| Zumaia to Comanesti | 1,414.41 mi (2,276.28 km) |
| Zumaia to Comarnic | 1,379.52 mi (2,220.12 km) |
| Zumaia to Constanta | 1,534.29 mi (2,469.19 km) |
| Zumaia to Corabia | 1,334.95 mi (2,148.39 km) |
| Zumaia to Costesti | 1,346.20 mi (2,166.50 km) |
| Zumaia to Covasna | 1,403.40 mi (2,258.56 km) |
| Zumaia to Craiova | 1,296.41 mi (2,086.37 km) |
| Zumaia to Cristuru Secuiesc | 1,347.21 mi (2,168.12 km) |
| Zumaia to Cugir | 1,267.71 mi (2,040.19 km) |
| Zumaia to Cumpana | 1,531.05 mi (2,463.98 km) |
