| Zagarolo to Carson (California) | 6,358.41 mi (10,232.87 km) |
| Zagarolo to Carson City (Nevada) | 6,099.06 mi (9,815.49 km) |
| Zagarolo to Carteret (New Jersey) | 4,313.12 mi (6,941.29 km) |
| Zagarolo to Cartersville (Georgia) | 5,042.68 mi (8,115.41 km) |
| Zagarolo to Carthage (Missouri) | 5,309.38 mi (8,544.62 km) |
| Zagarolo to Cary (Illinois) | 4,836.42 mi (7,783.47 km) |
| Zagarolo to Cary (North Carolina) | 4,707.16 mi (7,575.44 km) |
| Zagarolo to Casa de Oro-Mount Helix (California) | 6,377.30 mi (10,263.28 km) |
| Zagarolo to Casa Grande (Arizona) | 6,190.00 mi (9,961.83 km) |
| Zagarolo to Casas Adobes (Arizona) | 6,193.79 mi (9,967.95 km) |
| Zagarolo to Cascades (Virginia) | 4,511.54 mi (7,260.62 km) |
| Zagarolo to Casper (Wyoming) | 5,472.21 mi (8,806.67 km) |
| Zagarolo to Casselberry (Florida) | 5,125.66 mi (8,248.95 km) |
| Zagarolo to Castaic (California) | 6,333.57 mi (10,192.89 km) |
| Zagarolo to Castle Pines (Colorado) | 5,596.39 mi (9,006.52 km) |
