| Boerne to Orbetello | 5,755.14 mi (9,262.00 km) |
| Boerne to Oria | 6,101.38 mi (9,819.21 km) |
| Boerne to Oristano | 5,740.36 mi (9,238.22 km) |
| Boerne to Orta Nova | 5,987.05 mi (9,635.23 km) |
| Boerne to Orte | 5,803.24 mi (9,339.41 km) |
| Boerne to Ortona | 5,890.70 mi (9,480.17 km) |
| Boerne to Orvieto | 5,781.47 mi (9,304.38 km) |
| Boerne to Orzinuovi | 5,587.51 mi (8,992.23 km) |
| Boerne to Osimo | 5,806.87 mi (9,345.25 km) |
| Boerne to Ospitaletto | 5,587.21 mi (8,991.75 km) |
| Boerne to Ostuni | 6,089.21 mi (9,799.64 km) |
| Boerne to Ottaviano | 5,956.07 mi (9,585.37 km) |
| Boerne to Ovada | 5,563.77 mi (8,954.02 km) |
| Boerne to Ozieri | 5,732.56 mi (9,225.66 km) |
| Boerne to Paceco | 5,990.83 mi (9,641.31 km) |
