| Mill Creek East to Orbetello | 5,582.99 mi (8,984.96 km) |
| Mill Creek East to Oria | 5,856.03 mi (9,424.37 km) |
| Mill Creek East to Oristano | 5,665.54 mi (9,117.81 km) |
| Mill Creek East to Orta Nova | 5,760.05 mi (9,269.90 km) |
| Mill Creek East to Orte | 5,610.99 mi (9,030.02 km) |
| Mill Creek East to Ortona | 5,666.49 mi (9,119.33 km) |
| Mill Creek East to Orvieto | 5,588.60 mi (8,993.98 km) |
| Mill Creek East to Orzinuovi | 5,374.11 mi (8,648.79 km) |
| Mill Creek East to Osimo | 5,575.57 mi (8,973.01 km) |
| Mill Creek East to Ospitaletto | 5,368.33 mi (8,639.48 km) |
| Mill Creek East to Ostuni | 5,840.38 mi (9,399.18 km) |
| Mill Creek East to Ottaviano | 5,760.12 mi (9,270.01 km) |
| Mill Creek East to Ovada | 5,386.86 mi (8,669.31 km) |
| Mill Creek East to Ozieri | 5,636.35 mi (9,070.83 km) |
| Mill Creek East to Paceco | 5,886.35 mi (9,473.16 km) |
