| Mineral Wells to Orbetello | 5,578.94 mi (8,978.43 km) |
| Mineral Wells to Oria | 5,922.27 mi (9,530.98 km) |
| Mineral Wells to Oristano | 5,571.20 mi (8,965.98 km) |
| Mineral Wells to Orta Nova | 5,808.50 mi (9,347.88 km) |
| Mineral Wells to Orte | 5,625.94 mi (9,054.07 km) |
| Mineral Wells to Ortona | 5,711.74 mi (9,192.17 km) |
| Mineral Wells to Orvieto | 5,603.99 mi (9,018.75 km) |
| Mineral Wells to Orzinuovi | 5,407.40 mi (8,702.37 km) |
| Mineral Wells to Osimo | 5,626.91 mi (9,055.64 km) |
| Mineral Wells to Ospitaletto | 5,406.73 mi (8,701.30 km) |
| Mineral Wells to Ostuni | 5,909.80 mi (9,510.90 km) |
| Mineral Wells to Ottaviano | 5,779.48 mi (9,301.18 km) |
| Mineral Wells to Ovada | 5,386.00 mi (8,667.93 km) |
| Mineral Wells to Ozieri | 5,561.73 mi (8,950.74 km) |
| Mineral Wells to Paceco | 5,821.15 mi (9,368.23 km) |
