| Euless to Orbetello | 5,536.25 mi (8,909.73 km) |
| Euless to Oria | 5,880.61 mi (9,463.92 km) |
| Euless to Oristano | 5,526.36 mi (8,893.82 km) |
| Euless to Orta Nova | 5,766.63 mi (9,280.50 km) |
| Euless to Orte | 5,583.62 mi (8,985.97 km) |
| Euless to Ortona | 5,670.01 mi (9,124.99 km) |
| Euless to Orvieto | 5,561.74 mi (8,950.75 km) |
| Euless to Orzinuovi | 5,366.04 mi (8,635.81 km) |
| Euless to Osimo | 5,585.52 mi (8,989.03 km) |
| Euless to Ospitaletto | 5,365.51 mi (8,634.95 km) |
| Euless to Ostuni | 5,868.24 mi (9,444.02 km) |
| Euless to Ottaviano | 5,736.94 mi (9,232.72 km) |
| Euless to Ovada | 5,343.82 mi (8,600.04 km) |
| Euless to Ozieri | 5,517.37 mi (8,879.35 km) |
| Euless to Paceco | 5,776.48 mi (9,296.35 km) |
