| Killarney to Cologno al Serio | 977.55 mi (1,573.21 km) |
| Killarney to Cologno Monzese | 962.86 mi (1,549.57 km) |
| Killarney to Colorno | 1,030.50 mi (1,658.43 km) |
| Killarney to Comacchio | 1,111.84 mi (1,789.33 km) |
| Killarney to Comiso | 1,568.02 mi (2,523.48 km) |
| Killarney to Como | 944.22 mi (1,519.57 km) |
| Killarney to Concordia Sagittaria | 1,098.67 mi (1,768.14 km) |
| Killarney to Concorezzo | 962.76 mi (1,549.41 km) |
| Killarney to Conegliano | 1,071.64 mi (1,724.63 km) |
| Killarney to Conselice | 1,105.11 mi (1,778.51 km) |
| Killarney to Conselve | 1,078.30 mi (1,735.36 km) |
| Killarney to Conversano | 1,467.32 mi (2,361.42 km) |
| Killarney to Copertino | 1,535.98 mi (2,471.92 km) |
| Killarney to Copparo | 1,089.86 mi (1,753.96 km) |
| Killarney to Corato | 1,430.70 mi (2,302.50 km) |
