| Sedro-Woolley to Cividale del Friuli | 5,376.02 mi (8,651.86 km) |
| Sedro-Woolley to Civita Castellana | 5,583.13 mi (8,985.18 km) |
| Sedro-Woolley to Civitanova Marche | 5,553.68 mi (8,937.78 km) |
| Sedro-Woolley to Civitavecchia | 5,580.03 mi (8,980.19 km) |
| Sedro-Woolley to Civitella in Val di Chiana | 5,498.36 mi (8,848.76 km) |
| Sedro-Woolley to Clusone | 5,307.30 mi (8,541.28 km) |
| Sedro-Woolley to Coccaglio | 5,327.09 mi (8,573.12 km) |
| Sedro-Woolley to Codigoro | 5,422.33 mi (8,726.40 km) |
| Sedro-Woolley to Codogno | 5,344.46 mi (8,601.08 km) |
| Sedro-Woolley to Codroipo | 5,374.01 mi (8,648.64 km) |
| Sedro-Woolley to Cogoleto | 5,363.86 mi (8,632.30 km) |
| Sedro-Woolley to Colle di Val d'Elsa | 5,485.10 mi (8,827.41 km) |
| Sedro-Woolley to Colle Salvetti | 5,457.01 mi (8,782.22 km) |
| Sedro-Woolley to Collecchio | 5,381.53 mi (8,660.73 km) |
| Sedro-Woolley to Colleferro | 5,632.14 mi (9,064.05 km) |
