| Altopascio to Orangevale (California) | 5,994.17 mi (9,646.69 km) |
| Altopascio to Orchards (Washington) | 5,621.19 mi (9,046.42 km) |
| Altopascio to Orcutt (California) | 6,192.25 mi (9,965.46 km) |
| Altopascio to Oregon (Ohio) | 4,496.15 mi (7,235.86 km) |
| Altopascio to Oregon (Wisconsin) | 4,679.07 mi (7,530.23 km) |
| Altopascio to Oregon City (Oregon) | 5,643.10 mi (9,081.69 km) |
| Altopascio to Orem (Utah) | 5,610.12 mi (9,028.61 km) |
| Altopascio to Orinda (California) | 6,069.07 mi (9,767.23 km) |
| Altopascio to Orland Park (Illinois) | 4,677.12 mi (7,527.09 km) |
| Altopascio to Orlando (Florida) | 4,979.94 mi (8,014.44 km) |
| Altopascio to Ormond Beach (Florida) | 4,932.20 mi (7,937.62 km) |
| Altopascio to Oro Valley (Arizona) | 6,014.45 mi (9,679.32 km) |
| Altopascio to Oroville (California) | 5,956.70 mi (9,586.38 km) |
| Altopascio to Oshkosh (Wisconsin) | 4,598.85 mi (7,401.13 km) |
| Altopascio to Oskaloosa (Iowa) | 4,878.89 mi (7,851.82 km) |
