| Deer Park to Orbetello | 5,606.30 mi (9,022.48 km) |
| Deer Park to Oria | 5,955.99 mi (9,585.23 km) |
| Deer Park to Oristano | 5,582.87 mi (8,984.77 km) |
| Deer Park to Orta Nova | 5,841.06 mi (9,400.28 km) |
| Deer Park to Orte | 5,655.80 mi (9,102.13 km) |
| Deer Park to Ortona | 5,745.41 mi (9,246.34 km) |
| Deer Park to Orvieto | 5,634.32 mi (9,067.56 km) |
| Deer Park to Orzinuovi | 5,444.29 mi (8,761.74 km) |
| Deer Park to Osimo | 5,663.11 mi (9,113.89 km) |
| Deer Park to Ospitaletto | 5,444.52 mi (8,762.12 km) |
| Deer Park to Ostuni | 5,944.28 mi (9,566.39 km) |
| Deer Park to Ottaviano | 5,807.47 mi (9,346.21 km) |
| Deer Park to Ovada | 5,417.32 mi (8,718.33 km) |
| Deer Park to Ozieri | 5,577.04 mi (8,975.37 km) |
| Deer Park to Paceco | 5,833.61 mi (9,388.28 km) |
