| Ourem to Caño Martin Peña (Puerto Rico) | 3,698.62 mi (5,952.36 km) |
| Ourem to Cañon City (Colorado) | 4,900.24 mi (7,886.17 km) |
| Ourem to Canóvanas (Puerto Rico) | 3,693.21 mi (5,943.65 km) |
| Ourem to Canton (Georgia) | 4,081.77 mi (6,568.97 km) |
| Ourem to Canton (Illinois) | 4,137.99 mi (6,659.45 km) |
| Ourem to Canton (Mississippi) | 4,414.64 mi (7,104.67 km) |
| Ourem to Canton (Ohio) | 3,723.44 mi (5,992.30 km) |
| Ourem to Canyon (Texas) | 4,891.12 mi (7,871.49 km) |
| Ourem to Canyon Lake (California) | 5,628.00 mi (9,057.40 km) |
| Ourem to Canyon Lake (Texas) | 4,923.01 mi (7,922.81 km) |
| Ourem to Cape Coral (Florida) | 4,225.46 mi (6,800.22 km) |
| Ourem to Cape Girardeau (Missouri) | 4,224.47 mi (6,798.62 km) |
| Ourem to Carbondale (Illinois) | 4,194.43 mi (6,750.28 km) |
| Ourem to Carlisle (Pennsylvania) | 3,540.17 mi (5,697.35 km) |
| Ourem to Carlsbad (California) | 5,655.24 mi (9,101.23 km) |
