| Manassas to Cividale del Friuli | 4,404.50 mi (7,088.36 km) |
| Manassas to Civita Castellana | 4,492.57 mi (7,230.10 km) |
| Manassas to Civitanova Marche | 4,514.72 mi (7,265.75 km) |
| Manassas to Civitavecchia | 4,472.56 mi (7,197.89 km) |
| Manassas to Civitella in Val di Chiana | 4,423.25 mi (7,118.53 km) |
| Manassas to Clusone | 4,265.01 mi (6,863.88 km) |
| Manassas to Coccaglio | 4,276.56 mi (6,882.46 km) |
| Manassas to Codigoro | 4,392.10 mi (7,068.40 km) |
| Manassas to Codogno | 4,277.91 mi (6,884.64 km) |
| Manassas to Codroipo | 4,390.22 mi (7,065.38 km) |
| Manassas to Cogoleto | 4,256.93 mi (6,850.87 km) |
| Manassas to Colle di Val d'Elsa | 4,398.38 mi (7,078.50 km) |
| Manassas to Colle Salvetti | 4,363.21 mi (7,021.90 km) |
| Manassas to Collecchio | 4,313.36 mi (6,941.68 km) |
| Manassas to Colleferro | 4,539.27 mi (7,305.24 km) |
