| Manassas to Collegno | 4,188.28 mi (6,740.39 km) |
| Manassas to Cologno al Serio | 4,264.01 mi (6,862.27 km) |
| Manassas to Cologno Monzese | 4,247.71 mi (6,836.02 km) |
| Manassas to Colorno | 4,314.50 mi (6,943.51 km) |
| Manassas to Comacchio | 4,399.47 mi (7,080.27 km) |
| Manassas to Comiso | 4,787.75 mi (7,705.13 km) |
| Manassas to Como | 4,230.49 mi (6,808.32 km) |
| Manassas to Concordia Sagittaria | 4,391.45 mi (7,067.36 km) |
| Manassas to Concorezzo | 4,248.22 mi (6,836.85 km) |
| Manassas to Conegliano | 4,364.18 mi (7,023.47 km) |
| Manassas to Conselice | 4,390.72 mi (7,066.17 km) |
| Manassas to Conselve | 4,367.93 mi (7,029.51 km) |
| Manassas to Conversano | 4,747.29 mi (7,640.02 km) |
| Manassas to Copertino | 4,814.87 mi (7,748.78 km) |
| Manassas to Copparo | 4,377.74 mi (7,045.29 km) |
