| Amarillo to Opole | 5,466.84 mi (8,798.03 km) |
| Amarillo to Orzesze | 5,517.51 mi (8,879.57 km) |
| Amarillo to Osowa | 5,303.80 mi (8,535.64 km) |
| Amarillo to Ostroda | 5,382.32 mi (8,662.00 km) |
| Amarillo to Ostroleka | 5,459.78 mi (8,786.66 km) |
| Amarillo to Ostrow Mazowiecka | 5,482.68 mi (8,823.52 km) |
| Amarillo to Ostrow Wielkopolski | 5,416.31 mi (8,716.72 km) |
| Amarillo to Ostrowiec Swietokrzyski | 5,560.99 mi (8,949.55 km) |
| Amarillo to Ostrzeszow | 5,431.04 mi (8,740.41 km) |
| Amarillo to Oswiecim | 5,537.82 mi (8,912.27 km) |
| Amarillo to Otwock | 5,498.18 mi (8,848.47 km) |
| Amarillo to Ozarow Mazowiecki | 5,479.43 mi (8,818.29 km) |
| Amarillo to Ozimek | 5,475.37 mi (8,811.76 km) |
| Amarillo to Ozorkow | 5,446.14 mi (8,764.72 km) |
| Amarillo to Pabianice | 5,464.54 mi (8,794.33 km) |
