| Gresham to Cividale del Friuli | 5,561.81 mi (8,950.87 km) |
| Gresham to Civita Castellana | 5,764.61 mi (9,277.25 km) |
| Gresham to Civitanova Marche | 5,737.51 mi (9,233.63 km) |
| Gresham to Civitavecchia | 5,760.62 mi (9,270.83 km) |
| Gresham to Civitella in Val di Chiana | 5,680.04 mi (9,141.14 km) |
| Gresham to Clusone | 5,489.28 mi (8,834.14 km) |
| Gresham to Coccaglio | 5,508.80 mi (8,865.55 km) |
| Gresham to Codigoro | 5,605.69 mi (9,021.49 km) |
| Gresham to Codogno | 5,525.49 mi (8,892.42 km) |
| Gresham to Codroipo | 5,559.24 mi (8,946.72 km) |
| Gresham to Cogoleto | 5,542.95 mi (8,920.52 km) |
| Gresham to Colle di Val d'Elsa | 5,666.09 mi (9,118.70 km) |
| Gresham to Colle Salvetti | 5,637.45 mi (9,072.60 km) |
| Gresham to Collecchio | 5,562.74 mi (8,952.36 km) |
| Gresham to Colleferro | 5,813.84 mi (9,356.47 km) |
