| Volterra to Carson (California) | 6,211.30 mi (9,996.12 km) |
| Volterra to Carson City (Nevada) | 5,952.88 mi (9,580.23 km) |
| Volterra to Carteret (New Jersey) | 4,172.15 mi (6,714.42 km) |
| Volterra to Cartersville (Georgia) | 4,901.82 mi (7,888.72 km) |
| Volterra to Carthage (Missouri) | 5,164.01 mi (8,310.68 km) |
| Volterra to Cary (Illinois) | 4,690.75 mi (7,549.03 km) |
| Volterra to Cary (North Carolina) | 4,567.81 mi (7,351.19 km) |
| Volterra to Casa de Oro-Mount Helix (California) | 6,230.02 mi (10,026.25 km) |
| Volterra to Casa Grande (Arizona) | 6,042.70 mi (9,724.79 km) |
| Volterra to Casas Adobes (Arizona) | 6,046.58 mi (9,731.03 km) |
| Volterra to Cascades (Virginia) | 4,370.49 mi (7,033.62 km) |
| Volterra to Casper (Wyoming) | 5,324.90 mi (8,569.60 km) |
| Volterra to Casselberry (Florida) | 4,990.53 mi (8,031.49 km) |
| Volterra to Castaic (California) | 6,186.55 mi (9,956.29 km) |
| Volterra to Castle Pines (Colorado) | 5,449.10 mi (8,769.49 km) |
