| Portimao to Cedar Rapids (Iowa) | 4,261.19 mi (6,857.72 km) |
| Portimao to Cedarburg (Wisconsin) | 4,052.34 mi (6,521.62 km) |
| Portimao to Celebration (Florida) | 4,184.97 mi (6,735.06 km) |
| Portimao to Celina (Ohio) | 3,965.78 mi (6,382.31 km) |
| Portimao to Celina (Texas) | 4,794.96 mi (7,716.74 km) |
| Portimao to Centennial (Colorado) | 4,941.25 mi (7,952.17 km) |
| Portimao to Center Point (Alabama) | 4,277.81 mi (6,884.47 km) |
| Portimao to Centereach (New York) | 3,395.60 mi (5,464.68 km) |
| Portimao to Centerton (Arkansas) | 4,566.07 mi (7,348.38 km) |
| Portimao to Centerville (Ohio) | 3,970.91 mi (6,390.56 km) |
| Portimao to Centerville (Utah) | 5,191.61 mi (8,355.10 km) |
| Portimao to Central (Louisiana) | 4,604.11 mi (7,409.60 km) |
| Portimao to Central Falls (Rhode Island) | 3,291.18 mi (5,296.64 km) |
| Portimao to Central Islip (New York) | 3,402.99 mi (5,476.58 km) |
| Portimao to Central Point (Oregon) | 5,566.70 mi (8,958.74 km) |
