| Friendswood to Olivares | 4,967.36 mi (7,994.19 km) |
| Friendswood to Olivenza | 4,885.17 mi (7,861.93 km) |
| Friendswood to Olot | 5,240.53 mi (8,433.82 km) |
| Friendswood to Onate | 4,990.23 mi (8,031.00 km) |
| Friendswood to Onda | 5,181.21 mi (8,338.35 km) |
| Friendswood to Onteniente | 5,199.53 mi (8,367.83 km) |
| Friendswood to Orihuela | 5,205.53 mi (8,377.50 km) |
| Friendswood to Osuna | 5,025.21 mi (8,087.30 km) |
| Friendswood to Ourense | 4,753.45 mi (7,649.94 km) |
| Friendswood to Oviedo | 4,822.51 mi (7,761.08 km) |
| Friendswood to Paiporta | 5,190.13 mi (8,352.71 km) |
| Friendswood to Pajara | 4,792.61 mi (7,712.96 km) |
| Friendswood to Palafolls | 5,268.75 mi (8,479.23 km) |
| Friendswood to Palafrugell | 5,279.66 mi (8,496.78 km) |
| Friendswood to Palamos | 5,280.39 mi (8,497.97 km) |
