| Falls Church to Collegno | 4,169.28 mi (6,709.81 km) |
| Falls Church to Cologno al Serio | 4,245.07 mi (6,831.78 km) |
| Falls Church to Cologno Monzese | 4,228.75 mi (6,805.52 km) |
| Falls Church to Colorno | 4,295.54 mi (6,913.00 km) |
| Falls Church to Comacchio | 4,380.53 mi (7,049.78 km) |
| Falls Church to Comiso | 4,768.64 mi (7,674.38 km) |
| Falls Church to Como | 4,211.55 mi (6,777.83 km) |
| Falls Church to Concordia Sagittaria | 4,372.57 mi (7,036.98 km) |
| Falls Church to Concorezzo | 4,229.27 mi (6,806.35 km) |
| Falls Church to Conegliano | 4,345.30 mi (6,993.08 km) |
| Falls Church to Conselice | 4,371.76 mi (7,035.67 km) |
| Falls Church to Conselve | 4,349.01 mi (6,999.06 km) |
| Falls Church to Conversano | 4,728.29 mi (7,609.45 km) |
| Falls Church to Copertino | 4,795.86 mi (7,718.19 km) |
| Falls Church to Copparo | 4,358.80 mi (7,014.81 km) |
