| Friendswood to Opole | 5,564.95 mi (8,955.93 km) |
| Friendswood to Orzesze | 5,615.04 mi (9,036.54 km) |
| Friendswood to Osowa | 5,431.68 mi (8,741.45 km) |
| Friendswood to Ostroda | 5,510.31 mi (8,867.98 km) |
| Friendswood to Ostroleka | 5,589.26 mi (8,995.04 km) |
| Friendswood to Ostrow Mazowiecka | 5,611.56 mi (9,030.94 km) |
| Friendswood to Ostrow Wielkopolski | 5,521.25 mi (8,885.59 km) |
| Friendswood to Ostrowiec Swietokrzyski | 5,674.77 mi (9,132.66 km) |
| Friendswood to Ostrzeszow | 5,534.70 mi (8,907.23 km) |
| Friendswood to Oswiecim | 5,636.43 mi (9,070.96 km) |
| Friendswood to Otwock | 5,619.79 mi (9,044.18 km) |
| Friendswood to Ozarow Mazowiecki | 5,599.93 mi (9,012.22 km) |
| Friendswood to Ozimek | 5,574.62 mi (8,971.49 km) |
| Friendswood to Ozorkow | 5,559.00 mi (8,946.35 km) |
| Friendswood to Pabianice | 5,575.49 mi (8,972.88 km) |
