| Boadilla del Monte to Cernavoda | 1,640.58 mi (2,640.25 km) |
| Boadilla del Monte to Chitila | 1,539.18 mi (2,477.07 km) |
| Boadilla del Monte to Cisnadie | 1,453.32 mi (2,338.89 km) |
| Boadilla del Monte to Cluj-Napoca | 1,434.21 mi (2,308.14 km) |
| Boadilla del Monte to Codlea | 1,515.48 mi (2,438.93 km) |
| Boadilla del Monte to Comanesti | 1,567.06 mi (2,521.94 km) |
| Boadilla del Monte to Comarnic | 1,523.24 mi (2,451.41 km) |
| Boadilla del Monte to Constanta | 1,670.66 mi (2,688.67 km) |
| Boadilla del Monte to Corabia | 1,466.14 mi (2,359.52 km) |
| Boadilla del Monte to Costesti | 1,485.10 mi (2,390.04 km) |
| Boadilla del Monte to Covasna | 1,551.76 mi (2,497.32 km) |
| Boadilla del Monte to Craiova | 1,432.20 mi (2,304.91 km) |
| Boadilla del Monte to Cristuru Secuiesc | 1,499.04 mi (2,412.48 km) |
| Boadilla del Monte to Cugir | 1,416.33 mi (2,279.37 km) |
| Boadilla del Monte to Cumpana | 1,666.99 mi (2,682.76 km) |
