| Peniche to Cicero (Illinois) | 3,965.38 mi (6,381.66 km) |
| Peniche to Cimarron Hills (Colorado) | 4,837.24 mi (7,784.78 km) |
| Peniche to Cincinnati (Ohio) | 3,893.70 mi (6,266.30 km) |
| Peniche to Cinco Ranch (Texas) | 4,774.26 mi (7,683.43 km) |
| Peniche to Circleville (Ohio) | 3,804.08 mi (6,122.07 km) |
| Peniche to Citrus (California) | 5,613.34 mi (9,033.80 km) |
| Peniche to Citrus Heights (California) | 5,537.82 mi (8,912.25 km) |
| Peniche to Citrus Park (Florida) | 4,165.51 mi (6,703.74 km) |
| Peniche to Claiborne (Louisiana) | 4,492.09 mi (7,229.32 km) |
| Peniche to Claremont (California) | 5,605.51 mi (9,021.19 km) |
| Peniche to Claremont (New Hampshire) | 3,198.88 mi (5,148.10 km) |
| Peniche to Claremore (Oklahoma) | 4,518.49 mi (7,271.80 km) |
| Peniche to Clarksburg (Maryland) | 3,538.94 mi (5,695.37 km) |
| Peniche to Clarksburg (West Virginia) | 3,686.90 mi (5,933.49 km) |
| Peniche to Clarksdale (Mississippi) | 4,352.15 mi (7,004.10 km) |
