| Falkirk to Orbetello | 1,150.52 mi (1,851.59 km) |
| Falkirk to Oria | 1,443.38 mi (2,322.90 km) |
| Falkirk to Oristano | 1,246.51 mi (2,006.06 km) |
| Falkirk to Orta Nova | 1,339.16 mi (2,155.17 km) |
| Falkirk to Orte | 1,180.26 mi (1,899.45 km) |
| Falkirk to Ortona | 1,242.95 mi (2,000.33 km) |
| Falkirk to Orvieto | 1,157.71 mi (1,863.16 km) |
| Falkirk to Orzinuovi | 943.48 mi (1,518.39 km) |
| Falkirk to Osimo | 1,152.18 mi (1,854.26 km) |
| Falkirk to Ospitaletto | 938.48 mi (1,510.33 km) |
| Falkirk to Ostuni | 1,428.68 mi (2,299.25 km) |
| Falkirk to Ottaviano | 1,331.85 mi (2,143.41 km) |
| Falkirk to Ovada | 954.45 mi (1,536.04 km) |
| Falkirk to Ozieri | 1,212.13 mi (1,950.74 km) |
| Falkirk to Paceco | 1,455.46 mi (2,342.33 km) |
