| Gresham to Candler-McAfee (Georgia) | 2,163.67 mi (3,482.09 km) |
| Gresham to Caño Martin Peña (Puerto Rico) | 3,702.67 mi (5,958.86 km) |
| Gresham to Cañon City (Colorado) | 1,007.17 mi (1,620.89 km) |
| Gresham to Canóvanas (Puerto Rico) | 3,712.72 mi (5,975.04 km) |
| Gresham to Canton (Georgia) | 2,133.57 mi (3,433.64 km) |
| Gresham to Canton (Illinois) | 1,659.68 mi (2,671.00 km) |
| Gresham to Canton (Mississippi) | 1,936.11 mi (3,115.87 km) |
| Gresham to Canton (Ohio) | 2,072.44 mi (3,335.28 km) |
| Gresham to Canyon (Texas) | 1,297.36 mi (2,087.89 km) |
| Gresham to Canyon Lake (California) | 861.07 mi (1,385.76 km) |
| Gresham to Canyon Lake (Texas) | 1,695.10 mi (2,728.00 km) |
| Gresham to Cape Coral (Florida) | 2,569.71 mi (4,135.56 km) |
| Gresham to Cape Girardeau (Missouri) | 1,781.04 mi (2,866.31 km) |
| Gresham to Carbondale (Illinois) | 1,783.64 mi (2,870.48 km) |
| Gresham to Carlisle (Pennsylvania) | 2,289.65 mi (3,684.84 km) |
