| Gresham to Castle Pines (Colorado) | 985.01 mi (1,585.22 km) |
| Gresham to Castle Rock (Colorado) | 988.85 mi (1,591.41 km) |
| Gresham to Castro Valley (California) | 538.82 mi (867.14 km) |
| Gresham to Catalina Foothills (Arizona) | 1,100.95 mi (1,771.81 km) |
| Gresham to Cataño (Puerto Rico) | 3,697.92 mi (5,951.22 km) |
| Gresham to Cathedral City (California) | 865.82 mi (1,393.39 km) |
| Gresham to Catonsville (Maryland) | 2,339.27 mi (3,764.69 km) |
| Gresham to Cave Spring (Virginia) | 2,245.50 mi (3,613.78 km) |
| Gresham to Cayce (South Carolina) | 2,310.60 mi (3,718.55 km) |
| Gresham to Cayey (Puerto Rico) | 3,712.38 mi (5,974.50 km) |
| Gresham to Cedar City (Utah) | 723.61 mi (1,164.53 km) |
| Gresham to Cedar Falls (Iowa) | 1,495.48 mi (2,406.73 km) |
| Gresham to Cedar Hill (Texas) | 1,622.04 mi (2,610.43 km) |
| Gresham to Cedar Lake (Indiana) | 1,764.83 mi (2,840.22 km) |
| Gresham to Cedar Mill (Oregon) | 17.55 mi (28.24 km) |
