| Herndon to Campo de Criptana | 3,855.50 mi (6,204.82 km) |
| Herndon to Campos del Puerto | 4,147.73 mi (6,675.12 km) |
| Herndon to Canals | 3,990.74 mi (6,422.47 km) |
| Herndon to Candelaria | 3,519.12 mi (5,663.48 km) |
| Herndon to Canet de Mar | 4,059.32 mi (6,532.84 km) |
| Herndon to Cangas | 3,505.64 mi (5,641.79 km) |
| Herndon to Cangas de Narcea | 3,589.55 mi (5,776.82 km) |
| Herndon to Canovellas | 4,044.55 mi (6,509.07 km) |
| Herndon to Canteras | 4,010.53 mi (6,454.33 km) |
| Herndon to Cantillana | 3,776.44 mi (6,077.59 km) |
| Herndon to Capdepera | 4,158.56 mi (6,692.55 km) |
| Herndon to Carballo | 3,487.35 mi (5,612.35 km) |
| Herndon to Carcagente | 3,992.31 mi (6,425.01 km) |
| Herndon to Cardedeu | 4,047.46 mi (6,513.75 km) |
| Herndon to Carlet | 3,985.65 mi (6,414.28 km) |
