| Glencullen to Cosenza | 1,430.07 mi (2,301.47 km) |
| Glencullen to Cossato | 832.90 mi (1,340.42 km) |
| Glencullen to Costa Volpino | 889.03 mi (1,430.75 km) |
| Glencullen to Creazzo | 953.13 mi (1,533.92 km) |
| Glencullen to Crema | 895.52 mi (1,441.20 km) |
| Glencullen to Cremona | 918.97 mi (1,478.94 km) |
| Glencullen to Crevalcore | 978.51 mi (1,574.76 km) |
| Glencullen to Crispiano | 1,398.05 mi (2,249.94 km) |
| Glencullen to Crosia | 1,434.14 mi (2,308.03 km) |
| Glencullen to Crotone | 1,471.62 mi (2,368.34 km) |
| Glencullen to Cuneo | 872.12 mi (1,403.54 km) |
| Glencullen to Cuorgne | 823.98 mi (1,326.07 km) |
| Glencullen to Cusano Milanino | 869.17 mi (1,398.80 km) |
| Glencullen to Cutro | 1,469.58 mi (2,365.05 km) |
| Glencullen to Cutrofiano | 1,457.30 mi (2,345.30 km) |
