| Rieti to Carson (California) | 6,328.40 mi (10,184.57 km) |
| Rieti to Carson City (Nevada) | 6,067.36 mi (9,764.47 km) |
| Rieti to Carteret (New Jersey) | 4,293.79 mi (6,910.19 km) |
| Rieti to Cartersville (Georgia) | 5,023.46 mi (8,084.47 km) |
| Rieti to Carthage (Missouri) | 5,285.75 mi (8,506.60 km) |
| Rieti to Cary (Illinois) | 4,812.38 mi (7,744.78 km) |
| Rieti to Cary (North Carolina) | 4,689.08 mi (7,546.34 km) |
| Rieti to Casa de Oro-Mount Helix (California) | 6,347.97 mi (10,216.07 km) |
| Rieti to Casa Grande (Arizona) | 6,162.30 mi (9,917.27 km) |
| Rieti to Casas Adobes (Arizona) | 6,166.52 mi (9,924.05 km) |
| Rieti to Cascades (Virginia) | 4,492.15 mi (7,229.42 km) |
| Rieti to Casper (Wyoming) | 5,443.08 mi (8,759.80 km) |
| Rieti to Casselberry (Florida) | 5,110.40 mi (8,224.39 km) |
| Rieti to Castaic (California) | 6,303.28 mi (10,144.15 km) |
| Rieti to Castle Pines (Colorado) | 5,568.75 mi (8,962.04 km) |
