| Indianapolis to Opole | 4,690.81 mi (7,549.13 km) |
| Indianapolis to Orzesze | 4,740.98 mi (7,629.88 km) |
| Indianapolis to Osowa | 4,556.51 mi (7,332.99 km) |
| Indianapolis to Ostroda | 4,635.12 mi (7,459.51 km) |
| Indianapolis to Ostroleka | 4,714.08 mi (7,586.58 km) |
| Indianapolis to Ostrow Mazowiecka | 4,736.38 mi (7,622.47 km) |
| Indianapolis to Ostrow Wielkopolski | 4,646.59 mi (7,477.97 km) |
| Indianapolis to Ostrowiec Swietokrzyski | 4,799.76 mi (7,724.46 km) |
| Indianapolis to Ostrzeszow | 4,660.13 mi (7,499.75 km) |
| Indianapolis to Oswiecim | 4,762.30 mi (7,664.17 km) |
| Indianapolis to Otwock | 4,744.59 mi (7,635.69 km) |
| Indianapolis to Ozarow Mazowiecki | 4,724.74 mi (7,603.74 km) |
| Indianapolis to Ozimek | 4,700.39 mi (7,564.55 km) |
| Indianapolis to Ozorkow | 4,683.99 mi (7,538.15 km) |
| Indianapolis to Pabianice | 4,700.55 mi (7,564.81 km) |
