| Buffalo Grove to Cocentaina | 4,392.10 mi (7,068.39 km) |
| Buffalo Grove to Coin | 4,276.26 mi (6,881.98 km) |
| Buffalo Grove to Colindres | 4,087.25 mi (6,577.80 km) |
| Buffalo Grove to Collado-Villalba | 4,161.97 mi (6,698.05 km) |
| Buffalo Grove to Colmenar Viejo | 4,171.83 mi (6,713.91 km) |
| Buffalo Grove to Colmenarejo | 4,164.24 mi (6,701.70 km) |
| Buffalo Grove to Conil de la Frontera | 4,229.51 mi (6,806.75 km) |
| Buffalo Grove to Consuegra | 4,223.14 mi (6,796.49 km) |
| Buffalo Grove to Corbera de Llobregat | 4,392.16 mi (7,068.50 km) |
| Buffalo Grove to Cordoba | 4,228.87 mi (6,805.71 km) |
| Buffalo Grove to Coria del Rio | 4,192.88 mi (6,747.79 km) |
| Buffalo Grove to Crevillente | 4,394.93 mi (7,072.96 km) |
| Buffalo Grove to Cuarte de Huerva | 4,262.87 mi (6,860.43 km) |
| Buffalo Grove to Cubellas | 4,389.11 mi (7,063.58 km) |
| Buffalo Grove to Cuellar | 4,120.61 mi (6,631.47 km) |
