| Tortona to Carson (California) | 6,068.33 mi (9,766.03 km) |
| Tortona to Carson City (Nevada) | 5,810.78 mi (9,351.54 km) |
| Tortona to Carteret (New Jersey) | 4,035.61 mi (6,494.69 km) |
| Tortona to Cartersville (Georgia) | 4,765.30 mi (7,669.01 km) |
| Tortona to Carthage (Missouri) | 5,022.91 mi (8,083.60 km) |
| Tortona to Cary (Illinois) | 4,549.35 mi (7,321.47 km) |
| Tortona to Cary (North Carolina) | 4,432.87 mi (7,134.01 km) |
| Tortona to Casa de Oro-Mount Helix (California) | 6,086.90 mi (9,795.92 km) |
| Tortona to Casa Grande (Arizona) | 5,899.61 mi (9,494.50 km) |
| Tortona to Casas Adobes (Arizona) | 5,903.57 mi (9,500.87 km) |
| Tortona to Cascades (Virginia) | 4,233.84 mi (6,813.71 km) |
| Tortona to Casper (Wyoming) | 5,181.75 mi (8,339.23 km) |
| Tortona to Casselberry (Florida) | 4,859.75 mi (7,821.01 km) |
| Tortona to Castaic (California) | 6,043.67 mi (9,726.35 km) |
| Tortona to Castle Pines (Colorado) | 5,306.02 mi (8,539.21 km) |
