| Eugene to Cividale del Friuli | 5,665.24 mi (9,117.32 km) |
| Eugene to Civita Castellana | 5,867.06 mi (9,442.13 km) |
| Eugene to Civitanova Marche | 5,840.50 mi (9,399.37 km) |
| Eugene to Civitavecchia | 5,862.86 mi (9,435.37 km) |
| Eugene to Civitella in Val di Chiana | 5,782.55 mi (9,306.11 km) |
| Eugene to Clusone | 5,591.87 mi (8,999.24 km) |
| Eugene to Coccaglio | 5,611.32 mi (9,030.55 km) |
| Eugene to Codigoro | 5,708.59 mi (9,187.09 km) |
| Eugene to Codogno | 5,627.86 mi (9,057.16 km) |
| Eugene to Codroipo | 5,662.54 mi (9,112.98 km) |
| Eugene to Cogoleto | 5,644.85 mi (9,084.51 km) |
| Eugene to Colle di Val d'Elsa | 5,768.44 mi (9,283.41 km) |
| Eugene to Colle Salvetti | 5,739.67 mi (9,237.10 km) |
| Eugene to Collecchio | 5,665.14 mi (9,117.17 km) |
| Eugene to Colleferro | 5,916.33 mi (9,521.42 km) |
