| Walnut Creek to Casamassima | 6,403.96 mi (10,306.18 km) |
| Walnut Creek to Casandrino | 6,330.87 mi (10,188.55 km) |
| Walnut Creek to Casapulla | 6,324.09 mi (10,177.64 km) |
| Walnut Creek to Casarano | 6,493.00 mi (10,449.47 km) |
| Walnut Creek to Casatenovo | 5,919.04 mi (9,525.78 km) |
| Walnut Creek to Casciana Terme | 6,078.17 mi (9,781.87 km) |
| Walnut Creek to Cascina | 6,067.43 mi (9,764.58 km) |
| Walnut Creek to Caselle Torinese | 5,899.21 mi (9,493.86 km) |
| Walnut Creek to Caserta | 6,325.51 mi (10,179.93 km) |
| Walnut Creek to Casier | 6,005.39 mi (9,664.75 km) |
| Walnut Creek to Casorate Primo | 5,931.73 mi (9,546.19 km) |
| Walnut Creek to Casoria | 6,334.22 mi (10,193.95 km) |
| Walnut Creek to Cassano al Ionio | 6,456.23 mi (10,390.30 km) |
| Walnut Creek to Cassano d'Adda | 5,934.10 mi (9,550.01 km) |
| Walnut Creek to Cassano delle Murge | 6,403.83 mi (10,305.97 km) |
