| Johnstown to Opole | 4,402.06 mi (7,084.44 km) |
| Johnstown to Orzesze | 4,451.62 mi (7,164.20 km) |
| Johnstown to Osowa | 4,284.47 mi (6,895.18 km) |
| Johnstown to Ostroda | 4,362.49 mi (7,020.74 km) |
| Johnstown to Ostroleka | 4,441.61 mi (7,148.09 km) |
| Johnstown to Ostrow Mazowiecka | 4,463.41 mi (7,183.16 km) |
| Johnstown to Ostrow Wielkopolski | 4,361.63 mi (7,019.36 km) |
| Johnstown to Ostrowiec Swietokrzyski | 4,518.29 mi (7,271.48 km) |
| Johnstown to Ostrzeszow | 4,374.41 mi (7,039.93 km) |
| Johnstown to Oswiecim | 4,473.34 mi (7,199.14 km) |
| Johnstown to Otwock | 4,467.65 mi (7,189.99 km) |
| Johnstown to Ozarow Mazowiecki | 4,447.36 mi (7,157.34 km) |
| Johnstown to Ozimek | 4,412.16 mi (7,100.69 km) |
| Johnstown to Ozorkow | 4,402.88 mi (7,085.74 km) |
| Johnstown to Pabianice | 4,418.32 mi (7,110.60 km) |
