| New Carrollton to Collegno | 4,153.05 mi (6,683.68 km) |
| New Carrollton to Cologno al Serio | 4,228.95 mi (6,805.84 km) |
| New Carrollton to Cologno Monzese | 4,212.61 mi (6,779.55 km) |
| New Carrollton to Colorno | 4,279.38 mi (6,887.00 km) |
| New Carrollton to Comacchio | 4,364.42 mi (7,023.85 km) |
| New Carrollton to Comiso | 4,752.05 mi (7,647.69 km) |
| New Carrollton to Como | 4,195.43 mi (6,751.89 km) |
| New Carrollton to Concordia Sagittaria | 4,356.58 mi (7,011.24 km) |
| New Carrollton to Concorezzo | 4,213.14 mi (6,780.39 km) |
| New Carrollton to Conegliano | 4,329.30 mi (6,967.34 km) |
| New Carrollton to Conselice | 4,355.62 mi (7,009.69 km) |
| New Carrollton to Conselve | 4,332.93 mi (6,973.18 km) |
| New Carrollton to Conversano | 4,712.05 mi (7,583.31 km) |
| New Carrollton to Copertino | 4,779.60 mi (7,692.03 km) |
| New Carrollton to Copparo | 4,342.69 mi (6,988.89 km) |
