| Terrell to Orbetello | 5,509.31 mi (8,866.37 km) |
| Terrell to Oria | 5,854.61 mi (9,422.08 km) |
| Terrell to Oristano | 5,497.31 mi (8,847.07 km) |
| Terrell to Orta Nova | 5,740.45 mi (9,238.36 km) |
| Terrell to Orte | 5,557.03 mi (8,943.18 km) |
| Terrell to Ortona | 5,643.96 mi (9,083.08 km) |
| Terrell to Orvieto | 5,535.20 mi (8,908.05 km) |
| Terrell to Orzinuovi | 5,340.39 mi (8,594.53 km) |
| Terrell to Osimo | 5,559.81 mi (8,947.65 km) |
| Terrell to Ospitaletto | 5,339.98 mi (8,593.87 km) |
| Terrell to Ostuni | 5,842.34 mi (9,402.34 km) |
| Terrell to Ottaviano | 5,710.13 mi (9,189.56 km) |
| Terrell to Ovada | 5,317.38 mi (8,557.50 km) |
| Terrell to Ozieri | 5,488.80 mi (8,833.37 km) |
| Terrell to Paceco | 5,747.59 mi (9,249.85 km) |
