| Reston to Collegno | 4,174.08 mi (6,717.53 km) |
| Reston to Cologno al Serio | 4,249.66 mi (6,839.17 km) |
| Reston to Cologno Monzese | 4,233.38 mi (6,812.96 km) |
| Reston to Colorno | 4,300.19 mi (6,920.49 km) |
| Reston to Comacchio | 4,385.11 mi (7,057.15 km) |
| Reston to Comiso | 4,774.17 mi (7,683.29 km) |
| Reston to Como | 4,216.14 mi (6,785.22 km) |
| Reston to Concordia Sagittaria | 4,376.94 mi (7,044.01 km) |
| Reston to Concorezzo | 4,233.88 mi (6,813.77 km) |
| Reston to Conegliano | 4,349.69 mi (7,000.14 km) |
| Reston to Conselice | 4,376.39 mi (7,043.12 km) |
| Reston to Conselve | 4,353.53 mi (7,006.32 km) |
| Reston to Conversano | 4,733.09 mi (7,617.18 km) |
| Reston to Copertino | 4,800.69 mi (7,725.97 km) |
| Reston to Copparo | 4,363.37 mi (7,022.17 km) |
