| Sinnai to Chitila | 932.56 mi (1,500.82 km) |
| Sinnai to Cisnadie | 878.74 mi (1,414.20 km) |
| Sinnai to Cluj-Napoca | 888.49 mi (1,429.88 km) |
| Sinnai to Codlea | 935.44 mi (1,505.45 km) |
| Sinnai to Comanesti | 999.57 mi (1,608.65 km) |
| Sinnai to Comarnic | 932.85 mi (1,501.28 km) |
| Sinnai to Constanta | 1,053.69 mi (1,695.75 km) |
| Sinnai to Corabia | 847.85 mi (1,364.49 km) |
| Sinnai to Costesti | 884.48 mi (1,423.43 km) |
| Sinnai to Covasna | 972.51 mi (1,565.11 km) |
| Sinnai to Craiova | 827.32 mi (1,331.45 km) |
| Sinnai to Cristuru Secuiesc | 934.19 mi (1,503.43 km) |
| Sinnai to Cugir | 848.63 mi (1,365.74 km) |
| Sinnai to Cumpana | 1,049.17 mi (1,688.47 km) |
| Sinnai to Curtea de Arges | 886.61 mi (1,426.87 km) |
