| Portimao to Crest Hill (Illinois) | 4,106.47 mi (6,608.73 km) |
| Portimao to Crestview (Florida) | 4,367.78 mi (7,029.26 km) |
| Portimao to Crestwood (Illinois) | 4,086.85 mi (6,577.15 km) |
| Portimao to Crestwood (Missouri) | 4,304.80 mi (6,927.90 km) |
| Portimao to Creve Coeur (Missouri) | 4,304.62 mi (6,927.61 km) |
| Portimao to Crofton (Maryland) | 3,617.88 mi (5,822.42 km) |
| Portimao to Crossville (Tennessee) | 4,121.78 mi (6,633.37 km) |
| Portimao to Crowley (Louisiana) | 4,684.70 mi (7,539.30 km) |
| Portimao to Crowley (Texas) | 4,849.65 mi (7,804.75 km) |
| Portimao to Crown Point (Indiana) | 4,074.79 mi (6,557.74 km) |
| Portimao to Crystal (Minnesota) | 4,245.35 mi (6,832.24 km) |
| Portimao to Crystal Lake (Illinois) | 4,098.12 mi (6,595.29 km) |
| Portimao to Cudahy (California) | 5,762.17 mi (9,273.31 km) |
| Portimao to Cudahy (Wisconsin) | 4,056.28 mi (6,527.95 km) |
| Portimao to Cullman (Alabama) | 4,268.57 mi (6,869.60 km) |
