| Katy to Collegno | 5,382.10 mi (8,661.66 km) |
| Katy to Cologno al Serio | 5,452.79 mi (8,775.41 km) |
| Katy to Cologno Monzese | 5,437.35 mi (8,750.57 km) |
| Katy to Colorno | 5,504.71 mi (8,858.97 km) |
| Katy to Comacchio | 5,587.66 mi (8,992.46 km) |
| Katy to Comiso | 5,994.60 mi (9,647.38 km) |
| Katy to Como | 5,419.32 mi (8,721.56 km) |
| Katy to Concordia Sagittaria | 5,574.12 mi (8,970.67 km) |
| Katy to Concorezzo | 5,437.54 mi (8,750.87 km) |
| Katy to Conegliano | 5,547.33 mi (8,927.57 km) |
| Katy to Conselice | 5,580.18 mi (8,980.43 km) |
| Katy to Conselve | 5,554.55 mi (8,939.18 km) |
| Katy to Conversano | 5,940.30 mi (9,560.00 km) |
| Katy to Copertino | 6,008.51 mi (9,669.77 km) |
| Katy to Copparo | 5,565.73 mi (8,957.18 km) |
