| Inverness to Orbetello | 1,238.78 mi (1,993.63 km) |
| Inverness to Oria | 1,521.70 mi (2,448.94 km) |
| Inverness to Oristano | 1,342.30 mi (2,160.23 km) |
| Inverness to Orta Nova | 1,419.95 mi (2,285.20 km) |
| Inverness to Orte | 1,266.05 mi (2,037.52 km) |
| Inverness to Ortona | 1,324.64 mi (2,131.80 km) |
| Inverness to Orvieto | 1,243.64 mi (2,001.45 km) |
| Inverness to Orzinuovi | 1,029.15 mi (1,656.26 km) |
| Inverness to Osimo | 1,233.65 mi (1,985.37 km) |
| Inverness to Ospitaletto | 1,023.46 mi (1,647.09 km) |
| Inverness to Ostuni | 1,506.68 mi (2,424.77 km) |
| Inverness to Ottaviano | 1,415.98 mi (2,278.80 km) |
| Inverness to Ovada | 1,044.60 mi (1,681.11 km) |
| Inverness to Ozieri | 1,306.71 mi (2,102.94 km) |
| Inverness to Paceco | 1,546.70 mi (2,489.17 km) |
