| Walnut Creek to Cividale del Friuli | 6,010.14 mi (9,672.38 km) |
| Walnut Creek to Civita Castellana | 6,199.82 mi (9,977.65 km) |
| Walnut Creek to Civitanova Marche | 6,179.57 mi (9,945.05 km) |
| Walnut Creek to Civitavecchia | 6,193.31 mi (9,967.17 km) |
| Walnut Creek to Civitella in Val di Chiana | 6,116.13 mi (9,842.96 km) |
| Walnut Creek to Clusone | 5,926.91 mi (9,538.44 km) |
| Walnut Creek to Coccaglio | 5,945.60 mi (9,568.52 km) |
| Walnut Creek to Codigoro | 6,046.87 mi (9,731.50 km) |
| Walnut Creek to Codogno | 5,960.31 mi (9,592.19 km) |
| Walnut Creek to Codroipo | 6,005.91 mi (9,665.58 km) |
| Walnut Creek to Cogoleto | 5,972.22 mi (9,611.36 km) |
| Walnut Creek to Colle di Val d'Elsa | 6,100.30 mi (9,817.48 km) |
| Walnut Creek to Colle Salvetti | 6,070.17 mi (9,769.00 km) |
| Walnut Creek to Collecchio | 5,997.93 mi (9,652.74 km) |
| Walnut Creek to Colleferro | 6,249.48 mi (10,057.56 km) |
