| Fort Wayne to Opole | 4,588.18 mi (7,383.96 km) |
| Fort Wayne to Orzesze | 4,638.39 mi (7,464.77 km) |
| Fort Wayne to Osowa | 4,452.76 mi (7,166.02 km) |
| Fort Wayne to Ostroda | 4,531.39 mi (7,292.56 km) |
| Fort Wayne to Ostroleka | 4,610.33 mi (7,419.60 km) |
| Fort Wayne to Ostrow Mazowiecka | 4,632.65 mi (7,455.52 km) |
| Fort Wayne to Ostrow Wielkopolski | 4,543.67 mi (7,312.33 km) |
| Fort Wayne to Ostrowiec Swietokrzyski | 4,696.55 mi (7,558.36 km) |
| Fort Wayne to Ostrzeszow | 4,557.26 mi (7,334.20 km) |
| Fort Wayne to Oswiecim | 4,659.67 mi (7,499.01 km) |
| Fort Wayne to Otwock | 4,641.09 mi (7,469.12 km) |
| Fort Wayne to Ozarow Mazowiecki | 4,621.27 mi (7,437.22 km) |
| Fort Wayne to Ozimek | 4,597.72 mi (7,399.31 km) |
| Fort Wayne to Ozorkow | 4,580.77 mi (7,372.04 km) |
| Fort Wayne to Pabianice | 4,597.41 mi (7,398.82 km) |
