| Killarney to Cosenza | 1,511.03 mi (2,431.77 km) |
| Killarney to Cossato | 917.36 mi (1,476.36 km) |
| Killarney to Costa Volpino | 984.14 mi (1,583.83 km) |
| Killarney to Creazzo | 1,051.37 mi (1,692.02 km) |
| Killarney to Crema | 985.36 mi (1,585.79 km) |
| Killarney to Cremona | 1,008.56 mi (1,623.13 km) |
| Killarney to Crevalcore | 1,069.75 mi (1,721.60 km) |
| Killarney to Crispiano | 1,488.49 mi (2,395.49 km) |
| Killarney to Crosia | 1,518.21 mi (2,443.32 km) |
| Killarney to Crotone | 1,554.80 mi (2,502.21 km) |
| Killarney to Cuneo | 943.86 mi (1,519.00 km) |
| Killarney to Cuorgne | 904.38 mi (1,455.46 km) |
| Killarney to Cusano Milanino | 958.24 mi (1,542.13 km) |
| Killarney to Cutro | 1,552.05 mi (2,497.78 km) |
| Killarney to Cutrofiano | 1,548.77 mi (2,492.50 km) |
