| Gresham to Carlsbad (California) | 898.04 mi (1,445.26 km) |
| Gresham to Carlsbad (New Mexico) | 1,326.81 mi (2,135.29 km) |
| Gresham to Carmel (Indiana) | 1,864.63 mi (3,000.84 km) |
| Gresham to Carmichael (California) | 478.11 mi (769.44 km) |
| Gresham to Carney (Maryland) | 2,345.60 mi (3,774.88 km) |
| Gresham to Carnot-Moon (Pennsylvania) | 2,135.70 mi (3,437.08 km) |
| Gresham to Carol Stream (Illinois) | 1,718.06 mi (2,764.95 km) |
| Gresham to Carolina (Puerto Rico) | 3,707.28 mi (5,966.29 km) |
| Gresham to Carolina Forest (South Carolina) | 2,420.14 mi (3,894.84 km) |
| Gresham to Carpentersville (Illinois) | 1,705.59 mi (2,744.89 km) |
| Gresham to Carpinteria (California) | 782.72 mi (1,259.67 km) |
| Gresham to Carrboro (North Carolina) | 2,333.84 mi (3,755.96 km) |
| Gresham to Carroll (Iowa) | 1,388.74 mi (2,234.95 km) |
| Gresham to Carrollton (Georgia) | 2,130.42 mi (3,428.57 km) |
| Gresham to Carrollton (Texas) | 1,606.38 mi (2,585.22 km) |
