| The Dalles to Cocentaina | 5,549.01 mi (8,930.27 km) |
| The Dalles to Coin | 5,514.39 mi (8,874.55 km) |
| The Dalles to Colindres | 5,200.26 mi (8,369.01 km) |
| The Dalles to Collado-Villalba | 5,328.70 mi (8,575.72 km) |
| The Dalles to Colmenar Viejo | 5,335.45 mi (8,586.57 km) |
| The Dalles to Colmenarejo | 5,332.27 mi (8,581.46 km) |
| The Dalles to Conil de la Frontera | 5,488.16 mi (8,832.34 km) |
| The Dalles to Consuegra | 5,404.68 mi (8,697.99 km) |
| The Dalles to Corbera de Llobregat | 5,477.42 mi (8,815.06 km) |
| The Dalles to Cordoba | 5,448.53 mi (8,768.55 km) |
| The Dalles to Coria del Rio | 5,435.68 mi (8,747.88 km) |
| The Dalles to Crevillente | 5,564.00 mi (8,954.39 km) |
| The Dalles to Cuarte de Huerva | 5,378.78 mi (8,656.32 km) |
| The Dalles to Cubellas | 5,480.90 mi (8,820.66 km) |
| The Dalles to Cuellar | 5,277.77 mi (8,493.75 km) |
