| Marshalltown to Cocentaina | 4,614.62 mi (7,426.52 km) |
| Marshalltown to Coin | 4,506.83 mi (7,253.04 km) |
| Marshalltown to Colindres | 4,303.23 mi (6,925.38 km) |
| Marshalltown to Collado-Villalba | 4,384.44 mi (7,056.07 km) |
| Marshalltown to Colmenar Viejo | 4,394.00 mi (7,071.45 km) |
| Marshalltown to Colmenarejo | 4,386.86 mi (7,059.96 km) |
| Marshalltown to Conil de la Frontera | 4,461.97 mi (7,180.85 km) |
| Marshalltown to Consuegra | 4,447.53 mi (7,157.60 km) |
| Marshalltown to Corbera de Llobregat | 4,606.70 mi (7,413.77 km) |
| Marshalltown to Cordoba | 4,457.33 mi (7,173.39 km) |
| Marshalltown to Coria del Rio | 4,423.59 mi (7,119.08 km) |
| Marshalltown to Crevillente | 4,618.78 mi (7,433.21 km) |
| Marshalltown to Cuarte de Huerva | 4,480.18 mi (7,210.15 km) |
| Marshalltown to Cubellas | 4,604.37 mi (7,410.02 km) |
| Marshalltown to Cuellar | 4,341.79 mi (6,987.44 km) |
