| Howard to Collegno | 4,382.78 mi (7,053.40 km) |
| Howard to Cologno al Serio | 4,442.70 mi (7,149.83 km) |
| Howard to Cologno Monzese | 4,429.04 mi (7,127.85 km) |
| Howard to Colorno | 4,496.72 mi (7,236.77 km) |
| Howard to Comacchio | 4,575.04 mi (7,362.82 km) |
| Howard to Comiso | 5,025.62 mi (8,087.95 km) |
| Howard to Como | 4,409.72 mi (7,096.76 km) |
| Howard to Concordia Sagittaria | 4,552.53 mi (7,326.59 km) |
| Howard to Concorezzo | 4,428.62 mi (7,127.17 km) |
| Howard to Conegliano | 4,526.78 mi (7,285.15 km) |
| Howard to Conselice | 4,569.97 mi (7,354.66 km) |
| Howard to Conselve | 4,539.55 mi (7,305.71 km) |
| Howard to Conversano | 4,933.17 mi (7,939.17 km) |
| Howard to Copertino | 5,001.98 mi (8,049.90 km) |
| Howard to Copparo | 4,553.01 mi (7,327.37 km) |
