| Gilbert to Opole | 5,875.31 mi (9,455.40 km) |
| Gilbert to Orzesze | 5,925.77 mi (9,536.60 km) |
| Gilbert to Osowa | 5,691.23 mi (9,159.15 km) |
| Gilbert to Ostroda | 5,768.58 mi (9,283.63 km) |
| Gilbert to Ostroleka | 5,843.77 mi (9,404.63 km) |
| Gilbert to Ostrow Mazowiecka | 5,866.84 mi (9,441.76 km) |
| Gilbert to Ostrow Wielkopolski | 5,820.24 mi (9,366.77 km) |
| Gilbert to Ostrowiec Swietokrzyski | 5,956.14 mi (9,585.47 km) |
| Gilbert to Ostrzeszow | 5,835.75 mi (9,391.73 km) |
| Gilbert to Oswiecim | 5,945.01 mi (9,567.56 km) |
| Gilbert to Otwock | 5,887.97 mi (9,475.77 km) |
| Gilbert to Ozarow Mazowiecki | 5,870.35 mi (9,447.42 km) |
| Gilbert to Ozimek | 5,882.87 mi (9,467.56 km) |
| Gilbert to Ozorkow | 5,843.54 mi (9,404.26 km) |
| Gilbert to Pabianice | 5,863.19 mi (9,435.89 km) |
