| Wells Branch to Orbetello | 5,678.67 mi (9,138.94 km) |
| Wells Branch to Oria | 6,025.23 mi (9,696.67 km) |
| Wells Branch to Oristano | 5,663.30 mi (9,114.20 km) |
| Wells Branch to Orta Nova | 5,910.85 mi (9,512.59 km) |
| Wells Branch to Orte | 5,726.89 mi (9,216.54 km) |
| Wells Branch to Ortona | 5,814.55 mi (9,357.61 km) |
| Wells Branch to Orvieto | 5,705.15 mi (9,181.56 km) |
| Wells Branch to Orzinuovi | 5,511.53 mi (8,869.95 km) |
| Wells Branch to Osimo | 5,730.85 mi (9,222.92 km) |
| Wells Branch to Ospitaletto | 5,511.28 mi (8,869.55 km) |
| Wells Branch to Ostuni | 6,013.11 mi (9,677.16 km) |
| Wells Branch to Ottaviano | 5,879.64 mi (9,462.36 km) |
| Wells Branch to Ovada | 5,487.49 mi (8,831.27 km) |
| Wells Branch to Ozieri | 5,655.61 mi (9,101.83 km) |
| Wells Branch to Paceco | 5,913.79 mi (9,517.32 km) |
