| Lanham to Collegno | 4,151.65 mi (6,681.44 km) |
| Lanham to Cologno al Serio | 4,227.58 mi (6,803.64 km) |
| Lanham to Cologno Monzese | 4,211.24 mi (6,777.34 km) |
| Lanham to Colorno | 4,278.00 mi (6,884.78 km) |
| Lanham to Comacchio | 4,363.05 mi (7,021.66 km) |
| Lanham to Comiso | 4,750.55 mi (7,645.27 km) |
| Lanham to Como | 4,194.06 mi (6,749.69 km) |
| Lanham to Concordia Sagittaria | 4,355.25 mi (7,009.10 km) |
| Lanham to Concorezzo | 4,211.77 mi (6,778.19 km) |
| Lanham to Conegliano | 4,327.96 mi (6,965.19 km) |
| Lanham to Conselice | 4,354.25 mi (7,007.48 km) |
| Lanham to Conselve | 4,331.58 mi (6,971.00 km) |
| Lanham to Conversano | 4,710.65 mi (7,581.06 km) |
| Lanham to Copertino | 4,778.20 mi (7,689.77 km) |
| Lanham to Copparo | 4,341.33 mi (6,986.70 km) |
