| Coos Bay to Cividale del Friuli | 5,732.92 mi (9,226.24 km) |
| Coos Bay to Civita Castellana | 5,935.87 mi (9,552.86 km) |
| Coos Bay to Civitanova Marche | 5,908.73 mi (9,509.18 km) |
| Coos Bay to Civitavecchia | 5,931.87 mi (9,546.42 km) |
| Coos Bay to Civitella in Val di Chiana | 5,851.30 mi (9,416.75 km) |
| Coos Bay to Clusone | 5,660.53 mi (9,109.75 km) |
| Coos Bay to Coccaglio | 5,680.05 mi (9,141.16 km) |
| Coos Bay to Codigoro | 5,776.93 mi (9,297.07 km) |
| Coos Bay to Codogno | 5,696.74 mi (9,168.03 km) |
| Coos Bay to Codroipo | 5,730.38 mi (9,222.16 km) |
| Coos Bay to Cogoleto | 5,714.16 mi (9,196.05 km) |
| Coos Bay to Colle di Val d'Elsa | 5,837.35 mi (9,394.30 km) |
| Coos Bay to Colle Salvetti | 5,808.70 mi (9,348.19 km) |
| Coos Bay to Collecchio | 5,733.99 mi (9,227.97 km) |
| Coos Bay to Colleferro | 5,985.09 mi (9,632.08 km) |
