| Orvieto to Cicero (Illinois) | 4,765.82 mi (7,669.84 km) |
| Orvieto to Cimarron Hills (Colorado) | 5,551.76 mi (8,934.69 km) |
| Orvieto to Cincinnati (Ohio) | 4,749.60 mi (7,643.74 km) |
| Orvieto to Cinco Ranch (Texas) | 5,659.32 mi (9,107.79 km) |
| Orvieto to Circleville (Ohio) | 4,663.65 mi (7,505.42 km) |
| Orvieto to Citrus (California) | 6,259.91 mi (10,074.35 km) |
| Orvieto to Citrus Heights (California) | 6,099.09 mi (9,815.53 km) |
| Orvieto to Citrus Park (Florida) | 5,150.75 mi (8,289.33 km) |
| Orvieto to Claiborne (Louisiana) | 5,373.51 mi (8,647.83 km) |
| Orvieto to Claremont (California) | 6,253.74 mi (10,064.42 km) |
| Orvieto to Claremont (New Hampshire) | 4,064.63 mi (6,541.38 km) |
| Orvieto to Claremore (Oklahoma) | 5,333.90 mi (8,584.08 km) |
| Orvieto to Clarksburg (Maryland) | 4,435.98 mi (7,139.02 km) |
| Orvieto to Clarksburg (West Virginia) | 4,565.90 mi (7,348.11 km) |
| Orvieto to Clarksdale (Mississippi) | 5,226.85 mi (8,411.80 km) |
