| Workington to Orbetello | 1,075.56 mi (1,730.95 km) |
| Workington to Oria | 1,378.70 mi (2,218.81 km) |
| Workington to Oristano | 1,162.51 mi (1,870.87 km) |
| Workington to Orta Nova | 1,272.06 mi (2,047.19 km) |
| Workington to Orte | 1,108.04 mi (1,783.22 km) |
| Workington to Ortona | 1,175.12 mi (1,891.18 km) |
| Workington to Orvieto | 1,085.39 mi (1,746.76 km) |
| Workington to Orzinuovi | 872.23 mi (1,403.72 km) |
| Workington to Osimo | 1,084.90 mi (1,745.98 km) |
| Workington to Ospitaletto | 868.05 mi (1,397.00 km) |
| Workington to Ostuni | 1,364.38 mi (2,195.76 km) |
| Workington to Ottaviano | 1,261.11 mi (2,029.56 km) |
| Workington to Ovada | 877.86 mi (1,412.79 km) |
| Workington to Ozieri | 1,129.65 mi (1,818.00 km) |
| Workington to Paceco | 1,376.51 mi (2,215.28 km) |
