| Spoleto to Carson (California) | 6,303.98 mi (10,145.28 km) |
| Spoleto to Carson City (Nevada) | 6,042.42 mi (9,724.34 km) |
| Spoleto to Carteret (New Jersey) | 4,273.86 mi (6,878.11 km) |
| Spoleto to Cartersville (Georgia) | 5,003.54 mi (8,052.42 km) |
| Spoleto to Carthage (Missouri) | 5,263.82 mi (8,471.31 km) |
| Spoleto to Cary (Illinois) | 4,790.28 mi (7,709.22 km) |
| Spoleto to Cary (North Carolina) | 4,669.72 mi (7,515.19 km) |
| Spoleto to Casa de Oro-Mount Helix (California) | 6,323.78 mi (10,177.15 km) |
| Spoleto to Casa Grande (Arizona) | 6,138.71 mi (9,879.30 km) |
| Spoleto to Casas Adobes (Arizona) | 6,143.08 mi (9,886.34 km) |
| Spoleto to Cascades (Virginia) | 4,472.18 mi (7,197.28 km) |
| Spoleto to Casper (Wyoming) | 5,418.98 mi (8,721.00 km) |
| Spoleto to Casselberry (Florida) | 5,092.44 mi (8,195.49 km) |
| Spoleto to Castaic (California) | 6,278.77 mi (10,104.71 km) |
| Spoleto to Castle Pines (Colorado) | 5,545.19 mi (8,924.11 km) |
