| Upper Grand Lagoon to Cernavoda | 5,814.09 mi (9,356.88 km) |
| Upper Grand Lagoon to Chitila | 5,725.84 mi (9,214.85 km) |
| Upper Grand Lagoon to Cisnadie | 5,604.88 mi (9,020.19 km) |
| Upper Grand Lagoon to Cluj-Napoca | 5,541.39 mi (8,918.00 km) |
| Upper Grand Lagoon to Codlea | 5,656.59 mi (9,103.40 km) |
| Upper Grand Lagoon to Comanesti | 5,666.13 mi (9,118.75 km) |
| Upper Grand Lagoon to Comarnic | 5,682.05 mi (9,144.37 km) |
| Upper Grand Lagoon to Constanta | 5,844.85 mi (9,406.37 km) |
| Upper Grand Lagoon to Corabia | 5,695.66 mi (9,166.29 km) |
| Upper Grand Lagoon to Costesti | 5,675.26 mi (9,133.45 km) |
| Upper Grand Lagoon to Covasna | 5,679.45 mi (9,140.20 km) |
| Upper Grand Lagoon to Craiova | 5,645.59 mi (9,085.70 km) |
| Upper Grand Lagoon to Cristuru Secuiesc | 5,616.83 mi (9,039.41 km) |
| Upper Grand Lagoon to Cugir | 5,568.47 mi (8,961.58 km) |
| Upper Grand Lagoon to Cumpana | 5,844.08 mi (9,405.14 km) |
