| Grosseto to Carson (California) | 6,252.37 mi (10,062.22 km) |
| Grosseto to Carson City (Nevada) | 5,995.18 mi (9,648.30 km) |
| Grosseto to Carteret (New Jersey) | 4,204.06 mi (6,765.78 km) |
| Grosseto to Cartersville (Georgia) | 4,933.66 mi (7,939.96 km) |
| Grosseto to Carthage (Missouri) | 5,199.88 mi (8,368.39 km) |
| Grosseto to Cary (Illinois) | 4,726.98 mi (7,607.34 km) |
| Grosseto to Cary (North Carolina) | 4,598.55 mi (7,400.65 km) |
| Grosseto to Casa de Oro-Mount Helix (California) | 6,270.58 mi (10,091.52 km) |
| Grosseto to Casa Grande (Arizona) | 6,081.98 mi (9,788.00 km) |
| Grosseto to Casas Adobes (Arizona) | 6,085.52 mi (9,793.69 km) |
| Grosseto to Cascades (Virginia) | 4,402.46 mi (7,085.08 km) |
| Grosseto to Casper (Wyoming) | 5,365.33 mi (8,634.67 km) |
| Grosseto to Casselberry (Florida) | 5,018.54 mi (8,076.57 km) |
| Grosseto to Castaic (California) | 6,227.83 mi (10,022.72 km) |
| Grosseto to Castle Pines (Colorado) | 5,488.36 mi (8,832.66 km) |
