| Eureka to Cividale del Friuli | 5,888.72 mi (9,476.97 km) |
| Eureka to Civita Castellana | 6,087.60 mi (9,797.04 km) |
| Eureka to Civitanova Marche | 6,062.63 mi (9,756.86 km) |
| Eureka to Civitavecchia | 6,082.79 mi (9,789.30 km) |
| Eureka to Civitella in Val di Chiana | 6,003.25 mi (9,661.30 km) |
| Eureka to Clusone | 5,812.87 mi (9,354.91 km) |
| Eureka to Coccaglio | 5,832.14 mi (9,385.91 km) |
| Eureka to Codigoro | 5,930.47 mi (9,544.17 km) |
| Eureka to Codogno | 5,848.20 mi (9,411.77 km) |
| Eureka to Codroipo | 5,885.65 mi (9,472.04 km) |
| Eureka to Cogoleto | 5,863.84 mi (9,436.94 km) |
| Eureka to Colle di Val d'Elsa | 5,988.69 mi (9,637.87 km) |
| Eureka to Colle Salvetti | 5,959.55 mi (9,590.97 km) |
| Eureka to Collecchio | 5,885.59 mi (9,471.95 km) |
| Eureka to Colleferro | 6,136.99 mi (9,876.53 km) |
