| Ourem to Corinth (Mississippi) | 4,255.91 mi (6,849.22 km) |
| Ourem to Corinth (Texas) | 4,736.17 mi (7,622.14 km) |
| Ourem to Cornelius (North Carolina) | 3,861.62 mi (6,214.67 km) |
| Ourem to Cornelius (Oregon) | 5,292.82 mi (8,517.97 km) |
| Ourem to Corning (New York) | 3,481.88 mi (5,603.55 km) |
| Ourem to Corona (California) | 5,632.73 mi (9,065.00 km) |
| Ourem to Coronado (California) | 5,671.46 mi (9,127.33 km) |
| Ourem to Corpus Christi (Texas) | 4,966.38 mi (7,992.62 km) |
| Ourem to Corsicana (Texas) | 4,748.52 mi (7,642.01 km) |
| Ourem to Cortland (New York) | 3,428.78 mi (5,518.08 km) |
| Ourem to Corvallis (Oregon) | 5,346.38 mi (8,604.17 km) |
| Ourem to Coshocton (Ohio) | 3,762.13 mi (6,054.57 km) |
| Ourem to Costa Mesa (California) | 5,656.58 mi (9,103.38 km) |
| Ourem to Coto de Caza (California) | 5,646.05 mi (9,086.44 km) |
| Ourem to Cottage Grove (Minnesota) | 4,129.93 mi (6,646.49 km) |
