| Huntsville to Opole | 4,974.09 mi (8,005.02 km) |
| Huntsville to Orzesze | 5,023.79 mi (8,085.00 km) |
| Huntsville to Osowa | 4,852.09 mi (7,808.68 km) |
| Huntsville to Ostroda | 4,930.34 mi (7,934.62 km) |
| Huntsville to Ostroleka | 5,009.46 mi (8,061.95 km) |
| Huntsville to Ostrow Mazowiecka | 5,031.43 mi (8,097.30 km) |
| Huntsville to Ostrow Wielkopolski | 4,932.83 mi (7,938.62 km) |
| Huntsville to Ostrowiec Swietokrzyski | 5,088.72 mi (8,189.51 km) |
| Huntsville to Ostrzeszow | 4,945.78 mi (7,959.47 km) |
| Huntsville to Oswiecim | 5,045.43 mi (8,119.83 km) |
| Huntsville to Otwock | 5,036.85 mi (8,106.02 km) |
| Huntsville to Ozarow Mazowiecki | 5,016.67 mi (8,073.55 km) |
| Huntsville to Ozimek | 4,984.08 mi (8,021.11 km) |
| Huntsville to Ozorkow | 4,973.16 mi (8,003.53 km) |
| Huntsville to Pabianice | 4,988.89 mi (8,028.85 km) |
