| Huelva to Opole | 1,533.87 mi (2,468.52 km) |
| Huelva to Orzesze | 1,550.20 mi (2,494.80 km) |
| Huelva to Osowa | 1,687.04 mi (2,715.03 km) |
| Huelva to Ostroda | 1,711.27 mi (2,754.02 km) |
| Huelva to Ostroleka | 1,747.81 mi (2,812.83 km) |
| Huelva to Ostrow Mazowiecka | 1,751.92 mi (2,819.44 km) |
| Huelva to Ostrow Wielkopolski | 1,562.04 mi (2,513.86 km) |
| Huelva to Ostrowiec Swietokrzyski | 1,678.51 mi (2,701.30 km) |
| Huelva to Ostrzeszow | 1,558.49 mi (2,508.15 km) |
| Huelva to Oswiecim | 1,565.93 mi (2,520.11 km) |
| Huelva to Otwock | 1,707.25 mi (2,747.55 km) |
| Huelva to Ozarow Mazowiecki | 1,692.55 mi (2,723.90 km) |
| Huelva to Ozimek | 1,544.95 mi (2,486.36 km) |
| Huelva to Ozorkow | 1,627.46 mi (2,619.15 km) |
| Huelva to Pabianice | 1,621.00 mi (2,608.74 km) |
