| Silver Spring to Cernavoda | 5,030.90 mi (8,096.45 km) |
| Silver Spring to Chitila | 4,943.55 mi (7,955.87 km) |
| Silver Spring to Cisnadie | 4,822.31 mi (7,760.76 km) |
| Silver Spring to Cluj-Napoca | 4,758.06 mi (7,657.36 km) |
| Silver Spring to Codlea | 4,873.41 mi (7,842.99 km) |
| Silver Spring to Comanesti | 4,881.95 mi (7,856.74 km) |
| Silver Spring to Comarnic | 4,899.19 mi (7,884.49 km) |
| Silver Spring to Constanta | 5,061.51 mi (8,145.72 km) |
| Silver Spring to Corabia | 4,915.14 mi (7,910.16 km) |
| Silver Spring to Costesti | 4,893.41 mi (7,875.19 km) |
| Silver Spring to Covasna | 4,895.82 mi (7,879.06 km) |
| Silver Spring to Craiova | 4,864.80 mi (7,829.14 km) |
| Silver Spring to Cristuru Secuiesc | 4,833.31 mi (7,778.46 km) |
| Silver Spring to Cugir | 4,786.16 mi (7,702.58 km) |
| Silver Spring to Cumpana | 5,060.83 mi (8,144.62 km) |
