| Langley Park to Cassina de' Pecchi | 4,220.22 mi (6,791.79 km) |
| Langley Park to Cassino | 4,551.92 mi (7,325.61 km) |
| Langley Park to Castagneto Carducci | 4,351.21 mi (7,002.59 km) |
| Langley Park to Castano Primo | 4,193.39 mi (6,748.61 km) |
| Langley Park to Castel Bolognese | 4,364.41 mi (7,023.84 km) |
| Langley Park to Castel Gandolfo | 4,490.92 mi (7,227.43 km) |
| Langley Park to Castel Goffredo | 4,274.79 mi (6,879.61 km) |
| Langley Park to Castel Maggiore | 4,337.32 mi (6,980.24 km) |
| Langley Park to Castel Mella | 4,254.31 mi (6,846.64 km) |
| Langley Park to Castel San Giorgio | 4,616.40 mi (7,429.37 km) |
| Langley Park to Castel San Giovanni | 4,238.09 mi (6,820.55 km) |
| Langley Park to Castel San Pietro Terme | 4,352.26 mi (7,004.28 km) |
| Langley Park to Castel Volturno | 4,571.96 mi (7,357.85 km) |
| Langley Park to Castelbuono | 4,695.72 mi (7,557.03 km) |
| Langley Park to Casteldaccia | 4,665.43 mi (7,508.28 km) |
