| Larbert to Orbetello | 1,152.74 mi (1,855.16 km) |
| Larbert to Oria | 1,445.61 mi (2,326.48 km) |
| Larbert to Oristano | 1,248.65 mi (2,009.52 km) |
| Larbert to Orta Nova | 1,341.39 mi (2,158.76 km) |
| Larbert to Orte | 1,182.49 mi (1,903.03 km) |
| Larbert to Ortona | 1,245.17 mi (2,003.91 km) |
| Larbert to Orvieto | 1,159.94 mi (1,866.74 km) |
| Larbert to Orzinuovi | 945.71 mi (1,521.97 km) |
| Larbert to Osimo | 1,154.41 mi (1,857.85 km) |
| Larbert to Ospitaletto | 940.70 mi (1,513.92 km) |
| Larbert to Ostuni | 1,430.91 mi (2,302.82 km) |
| Larbert to Ottaviano | 1,334.08 mi (2,146.99 km) |
| Larbert to Ovada | 956.66 mi (1,539.60 km) |
| Larbert to Ozieri | 1,214.30 mi (1,954.23 km) |
| Larbert to Paceco | 1,457.65 mi (2,345.87 km) |
