| Partick to Orbetello | 1,157.68 mi (1,863.11 km) |
| Partick to Oria | 1,453.84 mi (2,339.73 km) |
| Partick to Oristano | 1,249.97 mi (2,011.63 km) |
| Partick to Orta Nova | 1,348.90 mi (2,170.85 km) |
| Partick to Orte | 1,188.36 mi (1,912.49 km) |
| Partick to Ortona | 1,252.44 mi (2,015.61 km) |
| Partick to Orvieto | 1,165.77 mi (1,876.13 km) |
| Partick to Orzinuovi | 951.80 mi (1,531.78 km) |
| Partick to Osimo | 1,161.81 mi (1,869.75 km) |
| Partick to Ospitaletto | 947.05 mi (1,524.13 km) |
| Partick to Ostuni | 1,439.25 mi (2,316.24 km) |
| Partick to Ottaviano | 1,340.48 mi (2,157.29 km) |
| Partick to Ovada | 960.95 mi (1,546.50 km) |
| Partick to Ozieri | 1,216.30 mi (1,957.45 km) |
| Partick to Paceco | 1,461.18 mi (2,351.55 km) |
