| The Dalles to Collegno | 5,434.64 mi (8,746.21 km) |
| The Dalles to Cologno al Serio | 5,462.00 mi (8,790.24 km) |
| The Dalles to Cologno Monzese | 5,454.15 mi (8,777.60 km) |
| The Dalles to Colorno | 5,517.72 mi (8,879.91 km) |
| The Dalles to Comacchio | 5,577.64 mi (8,976.35 km) |
| The Dalles to Comiso | 6,104.26 mi (9,823.86 km) |
| The Dalles to Como | 5,432.77 mi (8,743.19 km) |
| The Dalles to Concordia Sagittaria | 5,531.02 mi (8,901.32 km) |
| The Dalles to Concorezzo | 5,452.11 mi (8,774.33 km) |
| The Dalles to Conegliano | 5,510.24 mi (8,867.88 km) |
| The Dalles to Conselice | 5,579.59 mi (8,979.48 km) |
| The Dalles to Conselve | 5,538.10 mi (8,912.71 km) |
| The Dalles to Conversano | 5,924.96 mi (9,535.30 km) |
| The Dalles to Copertino | 5,990.47 mi (9,640.73 km) |
| The Dalles to Copparo | 5,556.94 mi (8,943.04 km) |
