| McDonough to Collegno | 4,707.47 mi (7,575.94 km) |
| McDonough to Cologno al Serio | 4,784.31 mi (7,699.61 km) |
| McDonough to Cologno Monzese | 4,767.84 mi (7,673.10 km) |
| McDonough to Colorno | 4,834.48 mi (7,780.34 km) |
| McDonough to Comacchio | 4,919.82 mi (7,917.68 km) |
| McDonough to Comiso | 5,300.48 mi (8,530.29 km) |
| McDonough to Como | 4,750.80 mi (7,645.67 km) |
| McDonough to Concordia Sagittaria | 4,912.65 mi (7,906.14 km) |
| McDonough to Concorezzo | 4,768.42 mi (7,674.03 km) |
| McDonough to Conegliano | 4,885.33 mi (7,862.17 km) |
| McDonough to Conselice | 4,910.81 mi (7,903.19 km) |
| McDonough to Conselve | 4,888.57 mi (7,867.39 km) |
| McDonough to Conversano | 5,266.37 mi (8,475.41 km) |
| McDonough to Copertino | 5,333.75 mi (8,583.83 km) |
| McDonough to Copparo | 4,898.13 mi (7,882.78 km) |
