| Glencullen to Civita Castellana | 1,142.05 mi (1,837.96 km) |
| Glencullen to Civitanova Marche | 1,138.99 mi (1,833.03 km) |
| Glencullen to Civitavecchia | 1,131.43 mi (1,820.86 km) |
| Glencullen to Civitella in Val di Chiana | 1,061.55 mi (1,708.40 km) |
| Glencullen to Clusone | 881.22 mi (1,418.19 km) |
| Glencullen to Coccaglio | 896.89 mi (1,443.40 km) |
| Glencullen to Codigoro | 1,008.13 mi (1,622.42 km) |
| Glencullen to Codogno | 906.09 mi (1,458.21 km) |
| Glencullen to Codroipo | 990.78 mi (1,594.51 km) |
| Glencullen to Cogoleto | 907.74 mi (1,460.87 km) |
| Glencullen to Colle di Val d'Elsa | 1,042.15 mi (1,677.18 km) |
| Glencullen to Colle Salvetti | 1,009.79 mi (1,625.09 km) |
| Glencullen to Collecchio | 943.76 mi (1,518.83 km) |
| Glencullen to Colleferro | 1,191.79 mi (1,918.00 km) |
| Glencullen to Collegno | 837.07 mi (1,347.13 km) |
