| Pharr to Opole | 5,859.11 mi (9,429.32 km) |
| Pharr to Orzesze | 5,909.22 mi (9,509.98 km) |
| Pharr to Osowa | 5,724.52 mi (9,212.73 km) |
| Pharr to Ostroda | 5,803.18 mi (9,339.32 km) |
| Pharr to Ostroleka | 5,882.08 mi (9,466.30 km) |
| Pharr to Ostrow Mazowiecka | 5,904.44 mi (9,502.28 km) |
| Pharr to Ostrow Wielkopolski | 5,815.18 mi (9,358.63 km) |
| Pharr to Ostrowiec Swietokrzyski | 5,968.42 mi (9,605.25 km) |
| Pharr to Ostrzeszow | 5,828.68 mi (9,380.35 km) |
| Pharr to Oswiecim | 5,930.59 mi (9,544.36 km) |
| Pharr to Otwock | 5,913.06 mi (9,516.16 km) |
| Pharr to Ozarow Mazowiecki | 5,893.25 mi (9,484.27 km) |
| Pharr to Ozimek | 5,868.75 mi (9,444.83 km) |
| Pharr to Ozorkow | 5,852.65 mi (9,418.93 km) |
| Pharr to Pabianice | 5,869.22 mi (9,445.59 km) |
