| Tigard to Cadillac (Michigan) | 1,816.12 mi (2,922.76 km) |
| Tigard to Caguas (Puerto Rico) | 3,728.00 mi (5,999.64 km) |
| Tigard to Cahokia (Illinois) | 1,726.87 mi (2,779.13 km) |
| Tigard to Calabasas (California) | 809.54 mi (1,302.83 km) |
| Tigard to Caldwell (Idaho) | 325.63 mi (524.05 km) |
| Tigard to Caledonia (Wisconsin) | 1,727.51 mi (2,780.16 km) |
| Tigard to Calera (Alabama) | 2,084.41 mi (3,354.54 km) |
| Tigard to Calexico (California) | 962.15 mi (1,548.42 km) |
| Tigard to Calhoun (Georgia) | 2,118.66 mi (3,409.66 km) |
| Tigard to California (Maryland) | 2,398.01 mi (3,859.22 km) |
| Tigard to California City (California) | 754.69 mi (1,214.56 km) |
| Tigard to Callaway (Florida) | 2,263.64 mi (3,642.97 km) |
| Tigard to Calumet City (Illinois) | 1,770.38 mi (2,849.15 km) |
| Tigard to Calverton (Maryland) | 2,352.65 mi (3,786.23 km) |
| Tigard to Camano (Washington) | 191.47 mi (308.13 km) |
