| Heywood to Orbetello | 986.02 mi (1,586.85 km) |
| Heywood to Oria | 1,292.26 mi (2,079.70 km) |
| Heywood to Oristano | 1,072.38 mi (1,725.83 km) |
| Heywood to Orta Nova | 1,184.77 mi (1,906.70 km) |
| Heywood to Orte | 1,019.17 mi (1,640.20 km) |
| Heywood to Ortona | 1,087.64 mi (1,750.38 km) |
| Heywood to Orvieto | 996.50 mi (1,603.72 km) |
| Heywood to Orzinuovi | 783.83 mi (1,261.46 km) |
| Heywood to Osimo | 997.69 mi (1,605.63 km) |
| Heywood to Ospitaletto | 779.94 mi (1,255.19 km) |
| Heywood to Ostuni | 1,278.11 mi (2,056.91 km) |
| Heywood to Ottaviano | 1,172.59 mi (1,887.11 km) |
| Heywood to Ovada | 788.07 mi (1,268.28 km) |
| Heywood to Ozieri | 1,039.38 mi (1,672.71 km) |
| Heywood to Paceco | 1,286.30 mi (2,070.10 km) |
