| Glenmont to Cividale del Friuli | 4,372.23 mi (7,036.43 km) |
| Glenmont to Civita Castellana | 4,460.55 mi (7,178.57 km) |
| Glenmont to Civitanova Marche | 4,482.59 mi (7,214.04 km) |
| Glenmont to Civitavecchia | 4,440.58 mi (7,146.42 km) |
| Glenmont to Civitella in Val di Chiana | 4,391.16 mi (7,066.90 km) |
| Glenmont to Clusone | 4,232.82 mi (6,812.06 km) |
| Glenmont to Coccaglio | 4,244.38 mi (6,830.67 km) |
| Glenmont to Codigoro | 4,359.91 mi (7,016.60 km) |
| Glenmont to Codogno | 4,245.77 mi (6,832.90 km) |
| Glenmont to Codroipo | 4,357.96 mi (7,013.47 km) |
| Glenmont to Cogoleto | 4,224.87 mi (6,799.27 km) |
| Glenmont to Colle di Val d'Elsa | 4,366.31 mi (7,026.90 km) |
| Glenmont to Colle Salvetti | 4,331.15 mi (6,970.31 km) |
| Glenmont to Collecchio | 4,281.23 mi (6,889.97 km) |
| Glenmont to Colleferro | 4,507.27 mi (7,253.75 km) |
