| Ourem to Caguas (Puerto Rico) | 3,706.12 mi (5,964.42 km) |
| Ourem to Cahokia (Illinois) | 4,211.09 mi (6,777.09 km) |
| Ourem to Calabasas (California) | 5,666.13 mi (9,118.75 km) |
| Ourem to Caldwell (Idaho) | 5,146.87 mi (8,283.09 km) |
| Ourem to Caledonia (Wisconsin) | 3,967.99 mi (6,385.86 km) |
| Ourem to Calera (Alabama) | 4,232.79 mi (6,812.02 km) |
| Ourem to Calexico (California) | 5,598.71 mi (9,010.25 km) |
| Ourem to Calhoun (Georgia) | 4,095.75 mi (6,591.47 km) |
| Ourem to California (Maryland) | 3,558.29 mi (5,726.52 km) |
| Ourem to California City (California) | 5,584.98 mi (8,988.15 km) |
| Ourem to Callaway (Florida) | 4,280.28 mi (6,888.44 km) |
| Ourem to Calumet City (Illinois) | 3,989.46 mi (6,420.41 km) |
| Ourem to Calverton (Maryland) | 3,559.21 mi (5,728.00 km) |
| Ourem to Camano (Washington) | 5,146.06 mi (8,281.78 km) |
| Ourem to Camarillo (California) | 5,677.22 mi (9,136.60 km) |
