| Oristano to Corinth (Mississippi) | 5,054.86 mi (8,135.02 km) |
| Oristano to Corinth (Texas) | 5,512.48 mi (8,871.48 km) |
| Oristano to Cornelius (North Carolina) | 4,683.71 mi (7,537.70 km) |
| Oristano to Cornelius (Oregon) | 5,819.61 mi (9,365.75 km) |
| Oristano to Corning (New York) | 4,265.03 mi (6,863.90 km) |
| Oristano to Corona (California) | 6,291.11 mi (10,124.57 km) |
| Oristano to Coronado (California) | 6,341.40 mi (10,205.49 km) |
| Oristano to Corpus Christi (Texas) | 5,775.45 mi (9,294.69 km) |
| Oristano to Corsicana (Texas) | 5,534.56 mi (8,907.01 km) |
| Oristano to Cortland (New York) | 4,210.62 mi (6,776.34 km) |
| Oristano to Corvallis (Oregon) | 5,879.63 mi (9,462.35 km) |
| Oristano to Coshocton (Ohio) | 4,545.50 mi (7,315.28 km) |
| Oristano to Costa Mesa (California) | 6,314.08 mi (10,161.52 km) |
| Oristano to Coto de Caza (California) | 6,306.28 mi (10,148.97 km) |
| Oristano to Cottage Grove (Minnesota) | 4,830.27 mi (7,773.57 km) |
