| Pontiac to Orbetello | 4,526.02 mi (7,283.93 km) |
| Pontiac to Oria | 4,870.08 mi (7,837.63 km) |
| Pontiac to Oristano | 4,519.33 mi (7,273.16 km) |
| Pontiac to Orta Nova | 4,756.11 mi (7,654.21 km) |
| Pontiac to Orte | 4,573.20 mi (7,359.85 km) |
| Pontiac to Ortona | 4,659.47 mi (7,498.70 km) |
| Pontiac to Orvieto | 4,551.29 mi (7,324.59 km) |
| Pontiac to Orzinuovi | 4,355.57 mi (7,009.61 km) |
| Pontiac to Osimo | 4,575.03 mi (7,362.80 km) |
| Pontiac to Ospitaletto | 4,355.07 mi (7,008.81 km) |
| Pontiac to Ostuni | 4,857.72 mi (7,817.74 km) |
| Pontiac to Ottaviano | 4,726.63 mi (7,606.77 km) |
| Pontiac to Ovada | 4,333.35 mi (6,973.85 km) |
| Pontiac to Ozieri | 4,509.30 mi (7,257.01 km) |
| Pontiac to Paceco | 4,769.02 mi (7,674.99 km) |
