| Johnston to Opole | 4,845.99 mi (7,798.86 km) |
| Johnston to Orzesze | 4,896.63 mi (7,880.36 km) |
| Johnston to Osowa | 4,688.58 mi (7,545.55 km) |
| Johnston to Ostroda | 4,767.26 mi (7,672.17 km) |
| Johnston to Ostroleka | 4,845.20 mi (7,797.60 km) |
| Johnston to Ostrow Mazowiecka | 4,868.01 mi (7,834.30 km) |
| Johnston to Ostrow Wielkopolski | 4,796.57 mi (7,719.33 km) |
| Johnston to Ostrowiec Swietokrzyski | 4,943.14 mi (7,955.22 km) |
| Johnston to Ostrzeszow | 4,811.08 mi (7,742.69 km) |
| Johnston to Oswiecim | 4,917.15 mi (7,913.38 km) |
| Johnston to Otwock | 4,881.88 mi (7,856.63 km) |
| Johnston to Ozarow Mazowiecki | 4,862.85 mi (7,826.01 km) |
| Johnston to Ozimek | 4,854.72 mi (7,812.91 km) |
| Johnston to Ozorkow | 4,827.93 mi (7,769.81 km) |
| Johnston to Pabianice | 4,845.99 mi (7,798.86 km) |
