| Colleferro to Oakley (California) | 6,234.24 mi (10,033.04 km) |
| Colleferro to Oakton (Virginia) | 4,525.65 mi (7,283.34 km) |
| Colleferro to Oakville (Missouri) | 5,098.65 mi (8,205.48 km) |
| Colleferro to Oatfield (Oregon) | 5,822.99 mi (9,371.20 km) |
| Colleferro to Ocala (Florida) | 5,153.20 mi (8,293.27 km) |
| Colleferro to Ocean Acres (New Jersey) | 4,358.84 mi (7,014.88 km) |
| Colleferro to Ocean City (New Jersey) | 4,391.23 mi (7,067.00 km) |
| Colleferro to Ocean Pines (Maryland) | 4,449.69 mi (7,161.09 km) |
| Colleferro to Ocean Pointe (Hawaii) | 8,043.07 mi (12,944.08 km) |
| Colleferro to Ocean Springs (Mississippi) | 5,399.90 mi (8,690.30 km) |
| Colleferro to Oceanside (California) | 6,373.78 mi (10,257.60 km) |
| Colleferro to Oceanside (New York) | 4,296.88 mi (6,915.15 km) |
| Colleferro to Ocoee (Florida) | 5,150.67 mi (8,289.20 km) |
| Colleferro to Oconomowoc (Wisconsin) | 4,819.38 mi (7,756.05 km) |
| Colleferro to Odenton (Maryland) | 4,491.84 mi (7,228.92 km) |
