| North Bay Shore to Orbetello | 4,171.12 mi (6,712.76 km) |
| North Bay Shore to Oria | 4,524.17 mi (7,280.95 km) |
| North Bay Shore to Oristano | 4,140.17 mi (6,662.95 km) |
| North Bay Shore to Orta Nova | 4,408.76 mi (7,095.21 km) |
| North Bay Shore to Orte | 4,222.15 mi (6,794.89 km) |
| North Bay Shore to Ortona | 4,314.23 mi (6,943.09 km) |
| North Bay Shore to Orvieto | 4,201.05 mi (6,760.93 km) |
| North Bay Shore to Orzinuovi | 4,016.85 mi (6,464.49 km) |
| North Bay Shore to Osimo | 4,234.21 mi (6,814.31 km) |
| North Bay Shore to Ospitaletto | 4,017.87 mi (6,466.14 km) |
| North Bay Shore to Ostuni | 4,513.07 mi (7,263.08 km) |
| North Bay Shore to Ottaviano | 4,372.15 mi (7,036.29 km) |
| North Bay Shore to Ovada | 3,985.46 mi (6,413.97 km) |
| North Bay Shore to Ozieri | 4,135.63 mi (6,655.66 km) |
| North Bay Shore to Paceco | 4,390.89 mi (7,066.45 km) |
