| Millbrae to Cocentaina | 6,001.55 mi (9,658.57 km) |
| Millbrae to Coin | 5,943.43 mi (9,565.03 km) |
| Millbrae to Colindres | 5,660.37 mi (9,109.48 km) |
| Millbrae to Collado-Villalba | 5,776.44 mi (9,296.28 km) |
| Millbrae to Colmenar Viejo | 5,784.08 mi (9,308.58 km) |
| Millbrae to Colmenarejo | 5,779.70 mi (9,301.52 km) |
| Millbrae to Conil de la Frontera | 5,910.50 mi (9,512.04 km) |
| Millbrae to Consuegra | 5,849.16 mi (9,413.31 km) |
| Millbrae to Corbera de Llobregat | 5,946.95 mi (9,570.69 km) |
| Millbrae to Cordoba | 5,882.53 mi (9,467.02 km) |
| Millbrae to Coria del Rio | 5,862.54 mi (9,434.84 km) |
| Millbrae to Crevillente | 6,013.44 mi (9,677.70 km) |
| Millbrae to Cuarte de Huerva | 5,840.03 mi (9,398.62 km) |
| Millbrae to Cubellas | 5,948.94 mi (9,573.90 km) |
| Millbrae to Cuellar | 5,727.53 mi (9,217.57 km) |
