| Gresham to Cibolo (Texas) | 1,712.82 mi (2,756.51 km) |
| Gresham to Cicero (Illinois) | 1,737.75 mi (2,796.63 km) |
| Gresham to Cimarron Hills (Colorado) | 1,014.69 mi (1,632.99 km) |
| Gresham to Cincinnati (Ohio) | 1,967.77 mi (3,166.82 km) |
| Gresham to Cinco Ranch (Texas) | 1,807.20 mi (2,908.41 km) |
| Gresham to Circleville (Ohio) | 2,030.31 mi (3,267.46 km) |
| Gresham to Citrus (California) | 822.60 mi (1,323.85 km) |
| Gresham to Citrus Heights (California) | 474.03 mi (762.87 km) |
| Gresham to Citrus Park (Florida) | 2,479.07 mi (3,989.67 km) |
| Gresham to Claiborne (Louisiana) | 1,838.45 mi (2,958.69 km) |
| Gresham to Claremont (California) | 824.67 mi (1,327.18 km) |
| Gresham to Claremont (New Hampshire) | 2,435.62 mi (3,919.75 km) |
| Gresham to Claremore (Oklahoma) | 1,528.66 mi (2,460.14 km) |
| Gresham to Clarksburg (Maryland) | 2,315.25 mi (3,726.03 km) |
| Gresham to Clarksburg (West Virginia) | 2,165.86 mi (3,485.61 km) |
