| Herndon to Busto Arsizio | 4,213.33 mi (6,780.69 km) |
| Herndon to Busto Garolfo | 4,216.87 mi (6,786.40 km) |
| Herndon to Cabras | 4,387.80 mi (7,061.49 km) |
| Herndon to Cadelbosco di Sopra | 4,315.93 mi (6,945.82 km) |
| Herndon to Cadoneghe | 4,349.90 mi (7,000.49 km) |
| Herndon to Cagli | 4,445.81 mi (7,154.84 km) |
| Herndon to Cagliari | 4,438.93 mi (7,143.76 km) |
| Herndon to Cairo Montenotte | 4,226.82 mi (6,802.42 km) |
| Herndon to Caivano | 4,611.28 mi (7,421.14 km) |
| Herndon to Calcinaia | 4,353.01 mi (7,005.49 km) |
| Herndon to Calcinato | 4,285.13 mi (6,896.25 km) |
| Herndon to Calderara di Reno | 4,351.28 mi (7,002.72 km) |
| Herndon to Caldogno | 4,326.30 mi (6,962.50 km) |
| Herndon to Calenzano | 4,370.69 mi (7,033.95 km) |
| Herndon to Calolziocorte | 4,232.18 mi (6,811.03 km) |
