| The Dalles to Cividale del Friuli | 5,525.43 mi (8,892.32 km) |
| The Dalles to Civita Castellana | 5,726.05 mi (9,215.19 km) |
| The Dalles to Civitanova Marche | 5,700.08 mi (9,173.40 km) |
| The Dalles to Civitavecchia | 5,721.65 mi (9,208.11 km) |
| The Dalles to Civitella in Val di Chiana | 5,641.59 mi (9,079.26 km) |
| The Dalles to Clusone | 5,451.01 mi (8,772.55 km) |
| The Dalles to Coccaglio | 5,470.40 mi (8,803.75 km) |
| The Dalles to Codigoro | 5,568.07 mi (8,960.94 km) |
| The Dalles to Codogno | 5,486.77 mi (8,830.11 km) |
| The Dalles to Codroipo | 5,522.56 mi (8,887.70 km) |
| The Dalles to Cogoleto | 5,503.36 mi (8,856.80 km) |
| The Dalles to Colle di Val d'Elsa | 5,627.33 mi (9,056.31 km) |
| The Dalles to Colle Salvetti | 5,598.44 mi (9,009.82 km) |
| The Dalles to Collecchio | 5,524.10 mi (8,890.17 km) |
| The Dalles to Colleferro | 5,775.36 mi (9,294.55 km) |
