| Hartford to Cernavoda | 4,733.65 mi (7,618.08 km) |
| Hartford to Chitila | 4,646.15 mi (7,477.25 km) |
| Hartford to Cisnadie | 4,524.95 mi (7,282.20 km) |
| Hartford to Cluj-Napoca | 4,460.84 mi (7,179.02 km) |
| Hartford to Codlea | 4,576.15 mi (7,364.61 km) |
| Hartford to Comanesti | 4,584.98 mi (7,378.82 km) |
| Hartford to Comarnic | 4,601.88 mi (7,406.00 km) |
| Hartford to Constanta | 4,764.29 mi (7,667.39 km) |
| Hartford to Corabia | 4,617.63 mi (7,431.36 km) |
| Hartford to Costesti | 4,595.97 mi (7,396.50 km) |
| Hartford to Covasna | 4,598.67 mi (7,400.85 km) |
| Hartford to Craiova | 4,567.29 mi (7,350.35 km) |
| Hartford to Cristuru Secuiesc | 4,536.13 mi (7,300.20 km) |
| Hartford to Cugir | 4,488.76 mi (7,223.96 km) |
| Hartford to Cumpana | 4,763.60 mi (7,666.27 km) |
