| Buffalo Grove to Cernavoda | 5,271.90 mi (8,484.30 km) |
| Buffalo Grove to Chitila | 5,193.24 mi (8,357.71 km) |
| Buffalo Grove to Cisnadie | 5,071.25 mi (8,161.39 km) |
| Buffalo Grove to Cluj-Napoca | 5,001.19 mi (8,048.63 km) |
| Buffalo Grove to Codlea | 5,116.45 mi (8,234.12 km) |
| Buffalo Grove to Comanesti | 5,114.52 mi (8,231.02 km) |
| Buffalo Grove to Comarnic | 5,144.80 mi (8,279.76 km) |
| Buffalo Grove to Constanta | 5,300.83 mi (8,530.85 km) |
| Buffalo Grove to Corabia | 5,177.54 mi (8,332.45 km) |
| Buffalo Grove to Costesti | 5,147.11 mi (8,283.47 km) |
| Buffalo Grove to Covasna | 5,134.17 mi (8,262.65 km) |
| Buffalo Grove to Craiova | 5,126.11 mi (8,249.68 km) |
| Buffalo Grove to Cristuru Secuiesc | 5,073.57 mi (8,165.12 km) |
| Buffalo Grove to Cugir | 5,037.68 mi (8,107.36 km) |
| Buffalo Grove to Cumpana | 5,300.93 mi (8,531.03 km) |
