| Orvieto to Cookeville (Tennessee) | 4,922.70 mi (7,922.31 km) |
| Orvieto to Coolidge (Arizona) | 6,110.32 mi (9,833.60 km) |
| Orvieto to Coon Rapids (Minnesota) | 4,830.48 mi (7,773.90 km) |
| Orvieto to Cooper City (Florida) | 5,134.95 mi (8,263.90 km) |
| Orvieto to Coos Bay (Oregon) | 5,902.98 mi (9,499.92 km) |
| Orvieto to Copiague (New York) | 4,210.15 mi (6,775.58 km) |
| Orvieto to Coppell (Texas) | 5,552.52 mi (8,935.92 km) |
| Orvieto to Copperas Cove (Texas) | 5,681.38 mi (9,143.30 km) |
| Orvieto to Coral Gables (Florida) | 5,149.58 mi (8,287.45 km) |
| Orvieto to Coral Springs (Florida) | 5,123.66 mi (8,245.74 km) |
| Orvieto to Coral Terrace (Florida) | 5,149.25 mi (8,286.92 km) |
| Orvieto to Coralville (Iowa) | 4,923.51 mi (7,923.62 km) |
| Orvieto to Coram (New York) | 4,185.27 mi (6,735.55 km) |
| Orvieto to Corcoran (California) | 6,199.41 mi (9,976.99 km) |
| Orvieto to Cordele (Georgia) | 5,032.10 mi (8,098.39 km) |
