| Skokie to Cocentaina | 4,386.69 mi (7,059.69 km) |
| Skokie to Coin | 4,269.91 mi (6,871.75 km) |
| Skokie to Colindres | 4,082.58 mi (6,570.28 km) |
| Skokie to Collado-Villalba | 4,156.59 mi (6,689.38 km) |
| Skokie to Colmenar Viejo | 4,166.47 mi (6,705.29 km) |
| Skokie to Colmenarejo | 4,158.84 mi (6,693.00 km) |
| Skokie to Conil de la Frontera | 4,222.92 mi (6,796.13 km) |
| Skokie to Consuegra | 4,217.53 mi (6,787.47 km) |
| Skokie to Corbera de Llobregat | 4,387.61 mi (7,061.18 km) |
| Skokie to Cordoba | 4,222.78 mi (6,795.90 km) |
| Skokie to Coria del Rio | 4,186.52 mi (6,737.55 km) |
| Skokie to Crevillente | 4,389.37 mi (7,064.01 km) |
| Skokie to Cuarte de Huerva | 4,258.04 mi (6,852.65 km) |
| Skokie to Cubellas | 4,384.48 mi (7,056.14 km) |
| Skokie to Cuellar | 4,115.37 mi (6,623.04 km) |
