| DeKalb to Opole | 4,668.82 mi (7,513.74 km) |
| DeKalb to Orzesze | 4,719.31 mi (7,594.99 km) |
| DeKalb to Osowa | 4,522.46 mi (7,278.19 km) |
| DeKalb to Ostroda | 4,601.22 mi (7,404.94 km) |
| DeKalb to Ostroleka | 4,679.78 mi (7,531.38 km) |
| DeKalb to Ostrow Mazowiecka | 4,702.36 mi (7,567.72 km) |
| DeKalb to Ostrow Wielkopolski | 4,621.84 mi (7,438.13 km) |
| DeKalb to Ostrowiec Swietokrzyski | 4,771.82 mi (7,679.50 km) |
| DeKalb to Ostrzeszow | 4,635.90 mi (7,460.76 km) |
| DeKalb to Oswiecim | 4,740.23 mi (7,628.67 km) |
| DeKalb to Otwock | 4,713.46 mi (7,585.58 km) |
| DeKalb to Ozarow Mazowiecki | 4,694.00 mi (7,554.26 km) |
| DeKalb to Ozimek | 4,677.97 mi (7,528.47 km) |
| DeKalb to Ozorkow | 4,656.17 mi (7,493.39 km) |
| DeKalb to Pabianice | 4,673.53 mi (7,521.32 km) |
