| Hartford to Brezovica | 4,120.38 mi (6,631.12 km) |
| Hartford to Cankova | 4,161.55 mi (6,697.37 km) |
| Hartford to Celje | 4,147.91 mi (6,675.42 km) |
| Hartford to Cerklje na Gorenjskem | 4,115.24 mi (6,622.84 km) |
| Hartford to Cerknica | 4,125.74 mi (6,639.73 km) |
| Hartford to Cerkno | 4,098.98 mi (6,596.67 km) |
| Hartford to Cerkvenjak | 4,163.92 mi (6,701.18 km) |
| Hartford to Cirkulane | 4,173.90 mi (6,717.24 km) |
| Hartford to Crensovci | 4,177.90 mi (6,723.69 km) |
| Hartford to Crna na Koroskem | 4,122.52 mi (6,634.55 km) |
| Hartford to Crnomelj | 4,168.17 mi (6,708.02 km) |
| Hartford to Destrnik | 4,163.96 mi (6,701.25 km) |
| Hartford to Divaca | 4,113.58 mi (6,620.17 km) |
| Hartford to Dobje | 4,156.63 mi (6,689.44 km) |
| Hartford to Dobrna | 4,142.75 mi (6,667.11 km) |
