| Merriam to Cocentaina | 4,806.72 mi (7,735.68 km) |
| Merriam to Coin | 4,689.95 mi (7,547.75 km) |
| Merriam to Colindres | 4,501.28 mi (7,244.10 km) |
| Merriam to Collado-Villalba | 4,576.60 mi (7,365.33 km) |
| Merriam to Colmenar Viejo | 4,586.45 mi (7,381.18 km) |
| Merriam to Colmenarejo | 4,578.87 mi (7,368.98 km) |
| Merriam to Conil de la Frontera | 4,642.64 mi (7,471.61 km) |
| Merriam to Consuegra | 4,637.74 mi (7,463.72 km) |
| Merriam to Corbera de Llobregat | 4,805.96 mi (7,734.45 km) |
| Merriam to Cordoba | 4,643.02 mi (7,472.22 km) |
| Merriam to Coria del Rio | 4,606.55 mi (7,413.52 km) |
| Merriam to Crevillente | 4,809.54 mi (7,740.21 km) |
| Merriam to Cuarte de Huerva | 4,677.11 mi (7,527.08 km) |
| Merriam to Cubellas | 4,803.04 mi (7,729.74 km) |
| Merriam to Cuellar | 4,535.19 mi (7,298.69 km) |
