| Glencullen to Ciampino | 1,174.11 mi (1,889.54 km) |
| Glencullen to Cicciano | 1,283.67 mi (2,065.88 km) |
| Glencullen to Cingoli | 1,117.15 mi (1,797.88 km) |
| Glencullen to Cinisello Balsamo | 870.35 mi (1,400.69 km) |
| Glencullen to Cinisi | 1,387.85 mi (2,233.54 km) |
| Glencullen to Cirie | 830.04 mi (1,335.82 km) |
| Glencullen to Ciro Marina | 1,457.09 mi (2,344.96 km) |
| Glencullen to Cislago | 856.80 mi (1,378.89 km) |
| Glencullen to Cisterna di Latina | 1,192.74 mi (1,919.53 km) |
| Glencullen to Cisternino | 1,398.64 mi (2,250.90 km) |
| Glencullen to Citta di Castello | 1,077.90 mi (1,734.71 km) |
| Glencullen to Citta Sant'Angelo | 1,188.46 mi (1,912.65 km) |
| Glencullen to Cittadella | 959.09 mi (1,543.51 km) |
| Glencullen to Cittanova | 1,475.04 mi (2,373.84 km) |
| Glencullen to Cividale del Friuli | 1,002.48 mi (1,613.34 km) |
